12972996634 has 8 divisors (see below), whose sum is σ = 20956379220. Its totient is φ = 5987536896.

The previous prime is 12972996593. The next prime is 12972996649. The reversal of 12972996634 is 43669927921.

It can be written as a sum of positive squares in 2 ways, for example, as 12713690025 + 259306609 = 112755^2 + 16103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249480679 + ... + 249480730.

Almost surely, 2^12972996634 is an apocalyptic number.

12972996634 is a deficient number, since it is larger than the sum of its proper divisors (7983382586).

12972996634 is a wasteful number, since it uses less digits than its factorization.

12972996634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498961424.

The product of its digits is 8817984, while the sum is 58.

The spelling of 12972996634 in words is "twelve billion, nine hundred seventy-two million, nine hundred ninety-six thousand, six hundred thirty-four".