112131212103 has 12 divisors (see below), whose sum is σ = 161997199728. Its totient is φ = 74740344480.

The previous prime is 112131212087. The next prime is 112131212107. The reversal of 112131212103 is 301212131211.

It is not a de Polignac number, because 112131212103 - 2⁴ = 112131212087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1098150 + ... + 1195907.

It is an arithmetic number, because the mean of its divisors is an integer number (13499766644).

Almost surely, 2^112131212103 is an apocalyptic number.

112131212103 is a deficient number, since it is larger than the sum of its proper divisors (49865987625).

112131212103 is a wasteful number, since it uses less digits than its factorization.

112131212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299494 (or 2299491 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 112131212103 its reverse (301212131211), we get a palindrome (413343343314).

The spelling of 112131212103 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred twelve thousand, one hundred three".