122025137872 has 80 divisors (see below), whose sum is σ = 267095904768. Its totient is φ = 53523066240.

The previous prime is 122025137837. The next prime is 122025137881. The reversal of 122025137872 is 278731520221.

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, 531013 + ... + 725275.

Almost surely, 2^122025137872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122025137872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133547952384).

122025137872 is an abundant number, since it is smaller than the sum of its proper divisors (145070766896).

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

122025137872 is a wasteful number, since it uses less digits than its factorization.

122025137872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194408 (or 194402 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 122025137872 in words is "one hundred twenty-two billion, twenty-five million, one hundred thirty-seven thousand, eight hundred seventy-two".