12501112124 has 6 divisors (see below), whose sum is σ = 21876946224. Its totient is φ = 6250556060.

The previous prime is 12501112109. The next prime is 12501112133. The reversal of 12501112124 is 42121110521.

It is a junction number, because it is equal to n+sod(n) for n = 12501112096 and 12501112105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562639012 + ... + 1562639019.

It is an arithmetic number, because the mean of its divisors is an integer number (3646157704).

Almost surely, 2^12501112124 is an apocalyptic number.

It is an amenable number.

12501112124 is a deficient number, since it is larger than the sum of its proper divisors (9375834100).

12501112124 is a wasteful number, since it uses less digits than its factorization.

12501112124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125278035 (or 3125278033 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 12501112124 its reverse (42121110521), we get a palindrome (54622222645).

The spelling of 12501112124 in words is "twelve billion, five hundred one million, one hundred twelve thousand, one hundred twenty-four".