2112051500020 has 96 divisors (see below), whose sum is σ = 5664606587136. Its totient is φ = 642245606400.

The previous prime is 2112051499969. The next prime is 2112051500021. The reversal of 2112051500020 is 200051502112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112051500021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16662007 + ... + 16788286.

It is an arithmetic number, because the mean of its divisors is an integer number (59006318616).

Almost surely, 2^{2112051500020} is an apocalyptic number.

2112051500020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112051500020 is an abundant number, since it is smaller than the sum of its proper divisors (3552555087116).

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

2112051500020 is a wasteful number, since it uses less digits than its factorization.

2112051500020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33450361 (or 33450359 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 2112051500020 in words is "two trillion, one hundred twelve billion, fifty-one million, five hundred thousand, twenty".