2122402312 has 16 divisors (see below), whose sum is σ = 4064175360. Its totient is φ = 1038622224.

The previous prime is 2122402307. The next prime is 2122402327. The reversal of 2122402312 is 2132042212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122402312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2821968 + ... + 2822719.

It is an arithmetic number, because the mean of its divisors is an integer number (254010960).

Almost surely, 2^2122402312 is an apocalyptic number.

It is an amenable number.

2122402312 is a deficient number, since it is larger than the sum of its proper divisors (1941773048).

2122402312 is a wasteful number, since it uses less digits than its factorization.

2122402312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644740 (or 5644736 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2122402312 is about 46069.5377880004. The cubic root of 2122402312 is about 1285.1167081995.

Adding to 2122402312 its reverse (2132042212), we get a palindrome (4254444524).

The spelling of 2122402312 in words is "two billion, one hundred twenty-two million, four hundred two thousand, three hundred twelve".