12131402131112 has 16 divisors (see below), whose sum is σ = 24814231632000. Its totient is φ = 5514273695920.

The previous prime is 12131402131109. The next prime is 12131402131183. The reversal of 12131402131112 is 21113120413121.

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, 68928421112 + ... + 68928421287.

It is an arithmetic number, because the mean of its divisors is an integer number (1550889477000).

Almost surely, 2^{12131402131112} is an apocalyptic number.

It is an amenable number.

12131402131112 is an abundant number, since it is smaller than the sum of its proper divisors (12682829500888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12131402131112 is a wasteful number, since it uses less digits than its factorization.

12131402131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137856842416 (or 137856842412 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 12131402131112 its reverse (21113120413121), we get a palindrome (33244522544233).

The spelling of 12131402131112 in words is "twelve trillion, one hundred thirty-one billion, four hundred two million, one hundred thirty-one thousand, one hundred twelve".