90010202121012 has 12 divisors (see below), whose sum is σ = 210023804949056. Its totient is φ = 30003400707000.

The previous prime is 90010202120987. The next prime is 90010202121023. The reversal of 90010202121012 is 21012120201009.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 90010202121012.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3750425088364 + ... + 3750425088387.

Almost surely, 2^{90010202121012} is an apocalyptic number.

It is an amenable number.

90010202121012 is an abundant number, since it is smaller than the sum of its proper divisors (120013602828044).

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

90010202121012 is a wasteful number, since it uses less digits than its factorization.

90010202121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500850176758 (or 7500850176756 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 90010202121012 in words is "ninety trillion, ten billion, two hundred two million, one hundred twenty-one thousand, twelve".