1231100104412 has 12 divisors (see below), whose sum is σ = 2154477177720. Its totient is φ = 615535196496.

The previous prime is 1231100104379. The next prime is 1231100104501. The reversal of 1231100104412 is 2144010011321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526418 + ... + 3859769.

It is an arithmetic number, because the mean of its divisors is an integer number (179539764810).

Almost surely, 2^{1231100104412} is an apocalyptic number.

It is an amenable number.

1231100104412 is a deficient number, since it is larger than the sum of its proper divisors (923377073308).

1231100104412 is a wasteful number, since it uses less digits than its factorization.

1231100104412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427860 (or 7427858 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1231100104412 its reverse (2144010011321), we get a palindrome (3375110115733).

The spelling of 1231100104412 in words is "one trillion, two hundred thirty-one billion, one hundred million, one hundred four thousand, four hundred twelve".