72153647527012 has 12 divisors (see below), whose sum is σ = 126268989115500. Its totient is φ = 36076793494016.

The previous prime is 72153647527001. The next prime is 72153647527057. The reversal of 72153647527012 is 21072574635127.

It can be written as a sum of positive squares in 2 ways, for example, as 32169474050596 + 39984173476416 = 5671814^2 + 6323304^2 .

It is a super-2 number, since 2×72153647527012² (a number of 29 digits) contains 22 as substring.

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, 1698253 + ... + 12132244.

It is an arithmetic number, because the mean of its divisors is an integer number (10522415759625).

Almost surely, 2^{72153647527012} is an apocalyptic number.

It is an amenable number.

72153647527012 is a deficient number, since it is larger than the sum of its proper divisors (54115341588488).

72153647527012 is a wasteful number, since it uses less digits than its factorization.

72153647527012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134750 (or 15134748 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 72153647527012 in words is "seventy-two trillion, one hundred fifty-three billion, six hundred forty-seven million, five hundred twenty-seven thousand, twelve".