1236426231116 has 12 divisors (see below), whose sum is σ = 2163832515432. Its totient is φ = 618188369568.

The previous prime is 1236426231077. The next prime is 1236426231119. The reversal of 1236426231116 is 6111326246321.

It is a self number, because there is not a number n which added to its sum of digits gives 1236426231116.

It is not an unprimeable number, because it can be changed into a prime (1236426231119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6073850 + ... + 6274113.

It is an arithmetic number, because the mean of its divisors is an integer number (180319376286).

Almost surely, 2^{1236426231116} is an apocalyptic number.

It is an amenable number.

1236426231116 is a deficient number, since it is larger than the sum of its proper divisors (927406284316).

1236426231116 is a wasteful number, since it uses less digits than its factorization.

1236426231116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373000 (or 12372998 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The spelling of 1236426231116 in words is "one trillion, two hundred thirty-six billion, four hundred twenty-six million, two hundred thirty-one thousand, one hundred sixteen".