15323970668212 has 12 divisors (see below), whose sum is σ = 26928222316996. Its totient is φ = 7630192863360.

The previous prime is 15323970668159. The next prime is 15323970668299. The reversal of 15323970668212 is 21286607932351.

It can be written as a sum of positive squares in 2 ways, for example, as 14260320848656 + 1063649819556 = 3776284^2 + 1031334^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 7948116603 + ... + 7948118530.

Almost surely, 2^{15323970668212} is an apocalyptic number.

It is an amenable number.

15323970668212 is a deficient number, since it is larger than the sum of its proper divisors (11604251648784).

15323970668212 is a wasteful number, since it uses less digits than its factorization.

15323970668212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15896235378 (or 15896235376 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 15323970668212 in words is "fifteen trillion, three hundred twenty-three billion, nine hundred seventy million, six hundred sixty-eight thousand, two hundred twelve".