2124172256120 has 64 divisors (see below), whose sum is σ = 4824843926400. Its totient is φ = 841590375040.

The previous prime is 2124172256119. The next prime is 2124172256161. The reversal of 2124172256120 is 216522714212.

It is a congruent number.

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, 28463255 + ... + 28537785.

It is an arithmetic number, because the mean of its divisors is an integer number (75388186350).

Almost surely, 2^{2124172256120} is an apocalyptic number.

2124172256120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124172256120 is an abundant number, since it is smaller than the sum of its proper divisors (2700671670280).

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

2124172256120 is a wasteful number, since it uses less digits than its factorization.

2124172256120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81308 (or 81304 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 2124172256120 in words is "two trillion, one hundred twenty-four billion, one hundred seventy-two million, two hundred fifty-six thousand, one hundred twenty".