112125212131 has 8 divisors (see below), whose sum is σ = 113147909264. Its totient is φ = 111106598400.

The previous prime is 112125212119. The next prime is 112125212159. The reversal of 112125212131 is 131212521211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112125212131 - 2⁵ = 112125212099 is a prime.

It is a super-2 number, since 2×112125212131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112125212161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965670 + ... + 1075531.

It is an arithmetic number, because the mean of its divisors is an integer number (14143488658).

Almost surely, 2^112125212131 is an apocalyptic number.

112125212131 is a deficient number, since it is larger than the sum of its proper divisors (1022697133).

112125212131 is a wasteful number, since it uses less digits than its factorization.

112125212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041701.

The product of its digits is 240, while the sum is 22.

Adding to 112125212131 its reverse (131212521211), we get a palindrome (243337733342).

The spelling of 112125212131 in words is "one hundred twelve billion, one hundred twenty-five million, two hundred twelve thousand, one hundred thirty-one".