90102220010012 has 24 divisors (see below), whose sum is σ = 180208716983904. Its totient is φ = 38614320654912.

The previous prime is 90102220010009. The next prime is 90102220010087. The reversal of 90102220010012 is 21001002220109.

It is a happy number.

It is a congruent number.

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, 36985703 + ... + 39346494.

It is an arithmetic number, because the mean of its divisors is an integer number (7508696540996).

Almost surely, 2^{90102220010012} is an apocalyptic number.

It is an amenable number.

90102220010012 is an abundant number, since it is smaller than the sum of its proper divisors (90106496973892).

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

90102220010012 is a wasteful number, since it uses less digits than its factorization.

90102220010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76374365 (or 76374363 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 90102220010012 in words is "ninety trillion, one hundred two billion, two hundred twenty million, ten thousand, twelve".