2112303112312 has 64 divisors (see below), whose sum is σ = 4045617576000. Its totient is φ = 1033576986624.

The previous prime is 2112303112229. The next prime is 2112303112327. The reversal of 2112303112312 is 2132113032112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359293389 + ... + 359299267.

It is an arithmetic number, because the mean of its divisors is an integer number (63212774625).

Almost surely, 2^{2112303112312} is an apocalyptic number.

It is an amenable number.

2112303112312 is a deficient number, since it is larger than the sum of its proper divisors (1933314463688).

2112303112312 is a wasteful number, since it uses less digits than its factorization.

2112303112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960 (or 7956 counting only the distinct ones).

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

Adding to 2112303112312 its reverse (2132113032112), we get a palindrome (4244416144424).

The spelling of 2112303112312 in words is "two trillion, one hundred twelve billion, three hundred three million, one hundred twelve thousand, three hundred twelve".