122187119904 has 144 divisors (see below), whose sum is σ = 365161148352. Its totient is φ = 38706522624.

The previous prime is 122187119827. The next prime is 122187119911. The reversal of 122187119904 is 409911781221.

122187119904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 122187119904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324877 + ... + 591539.

It is an arithmetic number, because the mean of its divisors is an integer number (2535841308).

Almost surely, 2^122187119904 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 122187119904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182580574176).

122187119904 is an abundant number, since it is smaller than the sum of its proper divisors (242974028448).

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

122187119904 is a wasteful number, since it uses less digits than its factorization.

122187119904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266759 (or 266748 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 122187119904 in words is "one hundred twenty-two billion, one hundred eighty-seven million, one hundred nineteen thousand, nine hundred four".