12207516536 has 32 divisors (see below), whose sum is σ = 25017310080. Its totient is φ = 5559398400.

The previous prime is 12207516527. The next prime is 12207516557. The reversal of 12207516536 is 63561570221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12207516536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443545 + ... + 1451976.

It is an arithmetic number, because the mean of its divisors is an integer number (781790940).

Almost surely, 2^12207516536 is an apocalyptic number.

It is an amenable number.

12207516536 is an abundant number, since it is smaller than the sum of its proper divisors (12809793544).

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

12207516536 is a wasteful number, since it uses less digits than its factorization.

12207516536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895575 (or 2895571 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 12207516536 in words is "twelve billion, two hundred seven million, five hundred sixteen thousand, five hundred thirty-six".