2112031123312 has 60 divisors (see below), whose sum is σ = 4693444756560. Its totient is φ = 918274382080.

The previous prime is 2112031123273. The next prime is 2112031123327. The reversal of 2112031123312 is 2133211302112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23671237 + ... + 23760292.

It is an arithmetic number, because the mean of its divisors is an integer number (78224079276).

Almost surely, 2^{2112031123312} is an apocalyptic number.

2112031123312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2112031123312 is an abundant number, since it is smaller than the sum of its proper divisors (2581413633248).

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

2112031123312 is a wasteful number, since it uses less digits than its factorization.

2112031123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47431582 (or 47431565 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2112031123312 its reverse (2133211302112), we get a palindrome (4245242425424).

The spelling of 2112031123312 in words is "two trillion, one hundred twelve billion, thirty-one million, one hundred twenty-three thousand, three hundred twelve".