12995333931 has 4 divisors (see below), whose sum is σ = 17327111912. Its totient is φ = 8663555952.

The previous prime is 12995333899. The next prime is 12995333947. The reversal of 12995333931 is 13933359921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12995333931 - 2⁵ = 12995333899 is a prime.

It is a super-2 number, since 2×12995333931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12995333971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165888986 + ... + 2165888991.

It is an arithmetic number, because the mean of its divisors is an integer number (4331777978).

Almost surely, 2^12995333931 is an apocalyptic number.

12995333931 is a deficient number, since it is larger than the sum of its proper divisors (4331777981).

12995333931 is an equidigital number, since it uses as much as digits as its factorization.

12995333931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331777980.

The product of its digits is 590490, while the sum is 48.

The spelling of 12995333931 in words is "twelve billion, nine hundred ninety-five million, three hundred thirty-three thousand, nine hundred thirty-one".