11988894623122 has 32 divisors (see below), whose sum is σ = 18776893921200. Its totient is φ = 5733832194048.

The previous prime is 11988894623047. The next prime is 11988894623171. The reversal of 11988894623122 is 22132649888911.

11988894623122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1794418314481 + 10194476308641 = 1339559^2 + 3192879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13577904 + ... + 14433892.

Almost surely, 2^{11988894623122} is an apocalyptic number.

11988894623122 is a deficient number, since it is larger than the sum of its proper divisors (6787999298078).

11988894623122 is a wasteful number, since it uses less digits than its factorization.

11988894623122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858270.

The product of its digits is 23887872, while the sum is 64.

The spelling of 11988894623122 in words is "eleven trillion, nine hundred eighty-eight billion, eight hundred ninety-four million, six hundred twenty-three thousand, one hundred twenty-two".