12996172495 has 12 divisors (see below), whose sum is σ = 16566749064. Its totient is φ = 9785352320.

The previous prime is 12996172487. The next prime is 12996172513. The reversal of 12996172495 is 59427169921.

It is a happy number.

It is not a de Polignac number, because 12996172495 - 2³ = 12996172487 is a prime.

It is a super-4 number, since 4×12996172495⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4495501 + ... + 4498390.

It is an arithmetic number, because the mean of its divisors is an integer number (1380562422).

Almost surely, 2^12996172495 is an apocalyptic number.

12996172495 is a deficient number, since it is larger than the sum of its proper divisors (3570576569).

12996172495 is an equidigital number, since it uses as much as digits as its factorization.

12996172495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993930 (or 8993913 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The spelling of 12996172495 in words is "twelve billion, nine hundred ninety-six million, one hundred seventy-two thousand, four hundred ninety-five".