122015008818 has 24 divisors (see below), whose sum is σ = 264373059600. Its totient is φ = 40670560824.

The previous prime is 122015008741. The next prime is 122015008847. The reversal of 122015008818 is 818800510221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841093 + ... + 975431.

It is an arithmetic number, because the mean of its divisors is an integer number (11015544150).

Almost surely, 2^122015008818 is an apocalyptic number.

122015008818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122015008818 is an abundant number, since it is smaller than the sum of its proper divisors (142358050782).

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

122015008818 is a wasteful number, since it uses less digits than its factorization.

122015008818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184806 (or 184803 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

The spelling of 122015008818 in words is "one hundred twenty-two billion, fifteen million, eight thousand, eight hundred eighteen".