2112203022312 has 32 divisors (see below), whose sum is σ = 5293418356800. Its totient is φ = 702346233984.

The previous prime is 2112203022269. The next prime is 2112203022323. The reversal of 2112203022312 is 2132203022112.

It is a super-2 number, since 2×2112203022312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107579988 + ... + 107599619.

It is an arithmetic number, because the mean of its divisors is an integer number (165419323650).

Almost surely, 2^{2112203022312} is an apocalyptic number.

It is an amenable number.

2112203022312 is an abundant number, since it is smaller than the sum of its proper divisors (3181215334488).

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

2112203022312 is a wasteful number, since it uses less digits than its factorization.

2112203022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215180025 (or 215180021 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2112203022312 its reverse (2132203022112), we get a palindrome (4244406044424).

The spelling of 2112203022312 in words is "two trillion, one hundred twelve billion, two hundred three million, twenty-two thousand, three hundred twelve".