12011232986 has 16 divisors (see below), whose sum is σ = 18224692200. Its totient is φ = 5936375808.

The previous prime is 12011232977. The next prime is 12011233009. The reversal of 12011232986 is 68923211021.

It can be written as a sum of positive squares in 4 ways, for example, as 9078468961 + 2932764025 = 95281^2 + 54155^2 .

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, 755576 + ... + 771308.

Almost surely, 2^12011232986 is an apocalyptic number.

12011232986 is a deficient number, since it is larger than the sum of its proper divisors (6213459214).

12011232986 is a wasteful number, since it uses less digits than its factorization.

12011232986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20113.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 12011232986 in words is "twelve billion, eleven million, two hundred thirty-two thousand, nine hundred eighty-six".