12972938669 has 8 divisors (see below), whose sum is σ = 13025992320. Its totient is φ = 12919913776.

The previous prime is 12972938647. The next prime is 12972938687. The reversal of 12972938669 is 96683927921.

It is a happy number.

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 12972938669 - 2²⁰ = 12971890093 is a prime.

It is a super-2 number, since 2×12972938669² (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 (12972938609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668539 + ... + 1676295.

It is an arithmetic number, because the mean of its divisors is an integer number (1628249040).

Almost surely, 2^12972938669 is an apocalyptic number.

It is an amenable number.

12972938669 is a deficient number, since it is larger than the sum of its proper divisors (53053651).

12972938669 is an equidigital number, since it uses as much as digits as its factorization.

12972938669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379.

The product of its digits is 17635968, while the sum is 62.

The spelling of 12972938669 in words is "twelve billion, nine hundred seventy-two million, nine hundred thirty-eight thousand, six hundred sixty-nine".