2112122502312 has 128 divisors (see below), whose sum is σ = 5904286940160. Its totient is φ = 626180234240.

The previous prime is 2112122502311. The next prime is 2112122502337. The reversal of 2112122502312 is 2132052212112.

It is a super-2 number, since 2×2112122502312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2112122502311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577014 + ... + 2134757.

It is an arithmetic number, because the mean of its divisors is an integer number (46127241720).

Almost surely, 2^{2112122502312} is an apocalyptic number.

It is an amenable number.

2112122502312 is an abundant number, since it is smaller than the sum of its proper divisors (3792164437848).

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

2112122502312 is a wasteful number, since it uses less digits than its factorization.

2112122502312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711903 (or 2711899 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2112122502312 its reverse (2132052212112), we get a palindrome (4244174714424).

The spelling of 2112122502312 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, five hundred two thousand, three hundred twelve".