312212101002090 has 64 divisors (see below), whose sum is σ = 763930455292800. Its totient is φ = 81633948574464.

The previous prime is 312212101002089. The next prime is 312212101002163. The reversal of 312212101002090 is 90200101212213.

It is a self number, because there is not a number n which added to its sum of digits gives 312212101002090.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59667925 + ... + 64689144.

It is an arithmetic number, because the mean of its divisors is an integer number (11936413363950).

Almost surely, 2^{312212101002090} is an apocalyptic number.

312212101002090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312212101002090 is an abundant number, since it is smaller than the sum of its proper divisors (451718354290710).

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

312212101002090 is a wasteful number, since it uses less digits than its factorization.

312212101002090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124358711.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 312212101002090 in words is "three hundred twelve trillion, two hundred twelve billion, one hundred one million, two thousand, ninety".