122147765120 has 32 divisors (see below), whose sum is σ = 292009502520. Its totient is φ = 48859105792.

The previous prime is 122147765053. The next prime is 122147765183. The reversal of 122147765120 is 21567741221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×122147765120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 95427302 + ... + 95428581.

Almost surely, 2^122147765120 is an apocalyptic number.

122147765120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122147765120 is an abundant number, since it is smaller than the sum of its proper divisors (169861737400).

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

122147765120 is an equidigital number, since it uses as much as digits as its factorization.

122147765120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190855902 (or 190855890 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 122147765120 in words is "one hundred twenty-two billion, one hundred forty-seven million, seven hundred sixty-five thousand, one hundred twenty".