12997016431 has 8 divisors (see below), whose sum is σ = 15000800544. Its totient is φ = 11029999200.

The previous prime is 12997016413. The next prime is 12997016437. The reversal of 12997016431 is 13461079921.

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

It is a cyclic number.

It is not a de Polignac number, because 12997016431 - 2⁷ = 12997016303 is a prime.

It is a super-2 number, since 2×12997016431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997016437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9190960 + ... + 9192373.

It is an arithmetic number, because the mean of its divisors is an integer number (1875100068).

Almost surely, 2^12997016431 is an apocalyptic number.

12997016431 is a deficient number, since it is larger than the sum of its proper divisors (2003784113).

12997016431 is a wasteful number, since it uses less digits than its factorization.

12997016431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18383441.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 12997016431 in words is "twelve billion, nine hundred ninety-seven million, sixteen thousand, four hundred thirty-one".