12816064652 has 12 divisors (see below), whose sum is σ = 23747414040. Its totient is φ = 6031089216.

The previous prime is 12816064643. The next prime is 12816064687. The reversal of 12816064652 is 25646061821.

It is a super-2 number, since 2×12816064652² (a number of 21 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, 94235702 + ... + 94235837.

It is an arithmetic number, because the mean of its divisors is an integer number (1978951170).

Almost surely, 2^12816064652 is an apocalyptic number.

It is an amenable number.

12816064652 is a deficient number, since it is larger than the sum of its proper divisors (10931349388).

12816064652 is a wasteful number, since it uses less digits than its factorization.

12816064652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188471560 (or 188471558 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 12816064652 in words is "twelve billion, eight hundred sixteen million, sixty-four thousand, six hundred fifty-two".