12597732116 has 12 divisors (see below), whose sum is σ = 22248289140. Its totient is φ = 6241078080.

The previous prime is 12597732073. The next prime is 12597732131. The reversal of 12597732116 is 61123779521.

It can be written as a sum of positive squares in 2 ways, for example, as 4906442116 + 7691290000 = 70046^2 + 87700^2 .

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, 14446505 + ... + 14447376.

It is an arithmetic number, because the mean of its divisors is an integer number (1854024095).

Almost surely, 2^12597732116 is an apocalyptic number.

It is an amenable number.

12597732116 is a deficient number, since it is larger than the sum of its proper divisors (9650557024).

12597732116 is a wasteful number, since it uses less digits than its factorization.

12597732116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28893994 (or 28893992 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The spelling of 12597732116 in words is "twelve billion, five hundred ninety-seven million, seven hundred thirty-two thousand, one hundred sixteen".