12972997005 has 16 divisors (see below), whose sum is σ = 20758218624. Its totient is φ = 6918457280.

The previous prime is 12972997003. The next prime is 12972997013. The reversal of 12972997005 is 50079927921.

It is not a de Polignac number, because 12972997005 - 2¹ = 12972997003 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972997003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370975 + ... + 404435.

It is an arithmetic number, because the mean of its divisors is an integer number (1297388664).

Almost surely, 2^12972997005 is an apocalyptic number.

12972997005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12972997005 is a deficient number, since it is larger than the sum of its proper divisors (7785221619).

12972997005 is a wasteful number, since it uses less digits than its factorization.

12972997005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59316.

The product of its (nonzero) digits is 714420, while the sum is 51.

The spelling of 12972997005 in words is "twelve billion, nine hundred seventy-two million, nine hundred ninety-seven thousand, five".