90310222311212 has 24 divisors (see below), whose sum is σ = 160114785600000. Its totient is φ = 44563650380496.

The previous prime is 90310222311097. The next prime is 90310222311223. The reversal of 90310222311212 is 21211322201309.

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, 62998712 + ... + 64416287.

It is an arithmetic number, because the mean of its divisors is an integer number (6671449400000).

Almost surely, 2^{90310222311212} is an apocalyptic number.

It is an amenable number.

90310222311212 is a deficient number, since it is larger than the sum of its proper divisors (69804563288788).

90310222311212 is a wasteful number, since it uses less digits than its factorization.

90310222311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127417325 (or 127417323 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 90310222311212 in words is "ninety trillion, three hundred ten billion, two hundred twenty-two million, three hundred eleven thousand, two hundred twelve".