131112223123012 has 24 divisors (see below), whose sum is σ = 230205887714880. Its totient is φ = 65339419933920.

The previous prime is 131112223122983. The next prime is 131112223123093. The reversal of 131112223123012 is 210321322211131.

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, 36742543 + ... + 40152694.

It is an arithmetic number, because the mean of its divisors is an integer number (9591911988120).

Almost surely, 2^{131112223123012} is an apocalyptic number.

It is an amenable number.

131112223123012 is a deficient number, since it is larger than the sum of its proper divisors (99093664591868).

131112223123012 is a wasteful number, since it uses less digits than its factorization.

131112223123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76896651 (or 76896649 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 131112223123012 its reverse (210321322211131), we get a palindrome (341433545334143).

The spelling of 131112223123012 in words is "one hundred thirty-one trillion, one hundred twelve billion, two hundred twenty-three million, one hundred twenty-three thousand, twelve".