1231136005612 has 24 divisors (see below), whose sum is σ = 2281271794704. Its totient is φ = 579345626112.

The previous prime is 1231136005601. The next prime is 1231136005643. The reversal of 1231136005612 is 2165006311321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3488503 + ... + 3825169.

It is an arithmetic number, because the mean of its divisors is an integer number (95052991446).

Almost surely, 2^{1231136005612} is an apocalyptic number.

It is an amenable number.

1231136005612 is a deficient number, since it is larger than the sum of its proper divisors (1050135789092).

1231136005612 is a wasteful number, since it uses less digits than its factorization.

1231136005612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390465 (or 390463 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 1231136005612 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-six million, five thousand, six hundred twelve".