12011952634 has 16 divisors (see below), whose sum is σ = 19702626336. Its totient is φ = 5447005200.

The previous prime is 12011952619. The next prime is 12011952671. The reversal of 12011952634 is 43625911021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011952634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639192 + ... + 657715.

It is an arithmetic number, because the mean of its divisors is an integer number (1231414146).

Almost surely, 2^12011952634 is an apocalyptic number.

12011952634 is a deficient number, since it is larger than the sum of its proper divisors (7690673702).

12011952634 is a wasteful number, since it uses less digits than its factorization.

12011952634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297341.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 12011952634 in words is "twelve billion, eleven million, nine hundred fifty-two thousand, six hundred thirty-four".