2121652457000 has 64 divisors (see below), whose sum is σ = 5180521881600. Its totient is φ = 811762670400.

The previous prime is 2121652456981. The next prime is 2121652457011. The reversal of 2121652457000 is 7542561212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46099880 + ... + 46145879.

It is an arithmetic number, because the mean of its divisors is an integer number (80945654400).

Almost surely, 2^{2121652457000} is an apocalyptic number.

2121652457000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121652457000 is an abundant number, since it is smaller than the sum of its proper divisors (3058869424600).

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

2121652457000 is a wasteful number, since it uses less digits than its factorization.

2121652457000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92245803 (or 92245789 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 2121652457000 in words is "two trillion, one hundred twenty-one billion, six hundred fifty-two million, four hundred fifty-seven thousand".