diff --git a/problem_12.py b/problem_12.py
new file mode 100644
index 0000000..ad51aeb
--- /dev/null
+++ b/problem_12.py
@@ -0,0 +1,23 @@
+import math
+#find the first triangle number with over five hundred divisors
+
+
+def countDivisors(number):
+    count = 0
+    for i in range (1, int(math.sqrt(number))):
+        if number % i == 0:
+            count += 1
+    return count
+
+running = True
+counter = 1
+while(running):
+    sum = 0
+    for i in range(0, counter + 1):
+        sum += i
+    if countDivisors(sum) > 400:
+        print(counter)
+        running = False
+    counter += 1
+
+print(counter)