2125109589972 has 24 divisors (see below), whose sum is σ = 4959060194592. Its totient is φ = 708302556000.

The previous prime is 2125109589949. The next prime is 2125109589989. The reversal of 2125109589972 is 2799859015212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8281779 + ... + 8534522.

It is an arithmetic number, because the mean of its divisors is an integer number (206627508108).

Almost surely, 2^{2125109589972} is an apocalyptic number.

It is an amenable number.

2125109589972 is an abundant number, since it is smaller than the sum of its proper divisors (2833950604620).

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

2125109589972 is a wasteful number, since it uses less digits than its factorization.

2125109589972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826839 (or 16826837 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 60.

The spelling of 2125109589972 in words is "two trillion, one hundred twenty-five billion, one hundred nine million, five hundred eighty-nine thousand, nine hundred seventy-two".