12540352364 has 24 divisors (see below), whose sum is σ = 22142066688. Its totient is φ = 6214153680.

The previous prime is 12540352339. The next prime is 12540352417. The reversal of 12540352364 is 46325304521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480557 + ... + 505979.

It is an arithmetic number, because the mean of its divisors is an integer number (922586112).

Almost surely, 2^12540352364 is an apocalyptic number.

It is an amenable number.

12540352364 is a deficient number, since it is larger than the sum of its proper divisors (9601714324).

12540352364 is a wasteful number, since it uses less digits than its factorization.

12540352364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26525 (or 26523 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 12540352364 its reverse (46325304521), we get a palindrome (58865656885).

The spelling of 12540352364 in words is "twelve billion, five hundred forty million, three hundred fifty-two thousand, three hundred sixty-four".