13217623725612 has 24 divisors (see below), whose sum is σ = 30884621513200. Its totient is φ = 4399660362816.

The previous prime is 13217623725589. The next prime is 13217623725619. The reversal of 13217623725612 is 21652732671231.

It is a super-2 number, since 2×13217623725612² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13217623725619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776767687 + ... + 776784702.

Almost surely, 2^{13217623725612} is an apocalyptic number.

13217623725612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13217623725612 is an abundant number, since it is smaller than the sum of its proper divisors (17666997787588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13217623725612 is a wasteful number, since it uses less digits than its factorization.

13217623725612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553553105 (or 1553553103 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The spelling of 13217623725612 in words is "thirteen trillion, two hundred seventeen billion, six hundred twenty-three million, seven hundred twenty-five thousand, six hundred twelve".