2112303022312 has 64 divisors (see below), whose sum is σ = 4657957539840. Its totient is φ = 879248011200.

The previous prime is 2112303022289. The next prime is 2112303022321. The reversal of 2112303022312 is 2132203032112.

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, 2718364 + ... + 3407947.

It is an arithmetic number, because the mean of its divisors is an integer number (72780586560).

Almost surely, 2^{2112303022312} is an apocalyptic number.

It is an amenable number.

2112303022312 is an abundant number, since it is smaller than the sum of its proper divisors (2545654517528).

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

2112303022312 is a wasteful number, since it uses less digits than its factorization.

2112303022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126502 (or 6126498 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2112303022312 its reverse (2132203032112), we get a palindrome (4244506054424).

The spelling of 2112303022312 in words is "two trillion, one hundred twelve billion, three hundred three million, twenty-two thousand, three hundred twelve".