12478969630376 has 16 divisors (see below), whose sum is σ = 23968752644340. Its totient is φ = 6087302258560.

The previous prime is 12478969630349. The next prime is 12478969630397. The reversal of 12478969630376 is 67303696987421.

It can be written as a sum of positive squares in 2 ways, for example, as 11875784407876 + 603185222500 = 3446126^2 + 776650^2 .

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 3 ways as a sum of consecutive naturals, for example, 19022819231 + ... + 19022819886.

Almost surely, 2^{12478969630376} is an apocalyptic number.

It is an amenable number.

12478969630376 is a deficient number, since it is larger than the sum of its proper divisors (11489783013964).

12478969630376 is a wasteful number, since it uses less digits than its factorization.

12478969630376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38045639164 (or 38045639160 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 71.

The spelling of 12478969630376 in words is "twelve trillion, four hundred seventy-eight billion, nine hundred sixty-nine million, six hundred thirty thousand, three hundred seventy-six".