122152172052 has 12 divisors (see below), whose sum is σ = 285021734816. Its totient is φ = 40717390680.

The previous prime is 122152172047. The next prime is 122152172059. The reversal of 122152172052 is 250271251221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152172059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5089673824 + ... + 5089673847.

Almost surely, 2^122152172052 is an apocalyptic number.

122152172052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122152172052 is an abundant number, since it is smaller than the sum of its proper divisors (162869562764).

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

122152172052 is a wasteful number, since it uses less digits than its factorization.

122152172052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179347678 (or 10179347676 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 122152172052 in words is "one hundred twenty-two billion, one hundred fifty-two million, one hundred seventy-two thousand, fifty-two".