12695233144 has 32 divisors (see below), whose sum is σ = 25987777200. Its totient is φ = 5766059520.

The previous prime is 12695233081. The next prime is 12695233147. The reversal of 12695233144 is 44133259621.

It is a super-2 number, since 2×12695233144² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12695233097 and 12695233106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12695233147) 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, 58522 + ... + 169750.

Almost surely, 2^12695233144 is an apocalyptic number.

It is an amenable number.

12695233144 is an abundant number, since it is smaller than the sum of its proper divisors (13292544056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12695233144 is a wasteful number, since it uses less digits than its factorization.

12695233144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112543 (or 112539 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The spelling of 12695233144 in words is "twelve billion, six hundred ninety-five million, two hundred thirty-three thousand, one hundred forty-four".