12156626274 has 32 divisors (see below), whose sum is σ = 26287861824. Its totient is φ = 3725592000.

The previous prime is 12156626269. The next prime is 12156626297. The reversal of 12156626274 is 47262665121.

12156626274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 290889 + ... + 330044.

It is an arithmetic number, because the mean of its divisors is an integer number (821495682).

Almost surely, 2^12156626274 is an apocalyptic number.

12156626274 is an abundant number, since it is smaller than the sum of its proper divisors (14131235550).

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

12156626274 is a wasteful number, since it uses less digits than its factorization.

12156626274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621202.

The product of its digits is 241920, while the sum is 42.

The spelling of 12156626274 in words is "twelve billion, one hundred fifty-six million, six hundred twenty-six thousand, two hundred seventy-four".