2120880450868 has 12 divisors (see below), whose sum is σ = 3872912127840. Its totient is φ = 1014334128632.

The previous prime is 2120880450859. The next prime is 2120880450883. The reversal of 2120880450868 is 8680540880212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11526524098 + ... + 11526524281.

It is an arithmetic number, because the mean of its divisors is an integer number (322742677320).

Almost surely, 2^{2120880450868} is an apocalyptic number.

It is an amenable number.

2120880450868 is a deficient number, since it is larger than the sum of its proper divisors (1752031676972).

2120880450868 is a wasteful number, since it uses less digits than its factorization.

2120880450868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23053048406 (or 23053048404 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 52.

The spelling of 2120880450868 in words is "two trillion, one hundred twenty billion, eight hundred eighty million, four hundred fifty thousand, eight hundred sixty-eight".