7162121000090 has 128 divisors (see below), whose sum is σ = 15044163982848. Its totient is φ = 2404460298240.

The previous prime is 7162121000087. The next prime is 7162121000101. The reversal of 7162121000090 is 900001212617.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 299746184 + ... + 299770076.

It is an arithmetic number, because the mean of its divisors is an integer number (117532531116).

Almost surely, 2^{7162121000090} is an apocalyptic number.

7162121000090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7162121000090 is an abundant number, since it is smaller than the sum of its proper divisors (7882042982758).

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

7162121000090 is a wasteful number, since it uses less digits than its factorization.

7162121000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24472.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 7162121000090 in words is "seven trillion, one hundred sixty-two billion, one hundred twenty-one million, ninety", and thus it is an aban number.