12695514912 has 120 divisors (see below), whose sum is σ = 37374898176. Its totient is φ = 4227562368.

The previous prime is 12695514893. The next prime is 12695514917. The reversal of 12695514912 is 21941559621.

12695514912 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 551 + 4 + 91 + 2 = 666.

12695514912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12695514912² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12695514917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3541473 + ... + 3545055.

Almost surely, 2^12695514912 is an apocalyptic number.

12695514912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12695514912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18687449088).

12695514912 is an abundant number, since it is smaller than the sum of its proper divisors (24679383264).

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

12695514912 is a wasteful number, since it uses less digits than its factorization.

12695514912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4955 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

It can be divided in two parts, 1269 and 5514912, that added together give a triangular number (5516181 = T₃₃₂₁).

The spelling of 12695514912 in words is "twelve billion, six hundred ninety-five million, five hundred fourteen thousand, nine hundred twelve".