122117500072 has 16 divisors (see below), whose sum is σ = 229408122240. Its totient is φ = 60942000816.

The previous prime is 122117500061. The next prime is 122117500079. The reversal of 122117500072 is 270005711221.

122117500072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 122117500072.

It is not an unprimeable number, because it can be changed into a prime (122117500079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14589208 + ... + 14597575.

It is an arithmetic number, because the mean of its divisors is an integer number (14338007640).

Almost surely, 2^122117500072 is an apocalyptic number.

It is an amenable number.

122117500072 is a deficient number, since it is larger than the sum of its proper divisors (107290622168).

122117500072 is a wasteful number, since it uses less digits than its factorization.

122117500072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29187312 (or 29187308 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The spelling of 122117500072 in words is "one hundred twenty-two billion, one hundred seventeen million, five hundred thousand, seventy-two".