1215000133012 has 12 divisors (see below), whose sum is σ = 2126274687040. Its totient is φ = 607493079576.

The previous prime is 1215000132967. The next prime is 1215000133033. The reversal of 1215000133012 is 2103310005121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345212 + ... + 2059027.

Almost surely, 2^{1215000133012} is an apocalyptic number.

It is an amenable number.

1215000133012 is a deficient number, since it is larger than the sum of its proper divisors (911274554028).

1215000133012 is a wasteful number, since it uses less digits than its factorization.

1215000133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493470 (or 3493468 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 1215000133012 its reverse (2103310005121), we get a palindrome (3318310138133).

The spelling of 1215000133012 in words is "one trillion, two hundred fifteen billion, one hundred thirty-three thousand, twelve".