12131230120012 has 12 divisors (see below), whose sum is σ = 21435765843856. Its totient is φ = 6006725593200.

The previous prime is 12131230119979. The next prime is 12131230120111. The reversal of 12131230120012 is 21002103213121.

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, 14722366239 + ... + 14722367062.

Almost surely, 2^{12131230120012} is an apocalyptic number.

It is an amenable number.

12131230120012 is a deficient number, since it is larger than the sum of its proper divisors (9304535723844).

12131230120012 is a wasteful number, since it uses less digits than its factorization.

12131230120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29444733408 (or 29444733406 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12131230120012 its reverse (21002103213121), we get a palindrome (33133333333133).

The spelling of 12131230120012 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty million, one hundred twenty thousand, twelve".