122912012860 has 48 divisors (see below), whose sum is σ = 317680284096. Its totient is φ = 38899625472.

The previous prime is 122912012837. The next prime is 122912012887. The reversal of 122912012860 is 68210219221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33765217 + ... + 33768856.

It is an arithmetic number, because the mean of its divisors is an integer number (6618339252).

Almost surely, 2^122912012860 is an apocalyptic number.

122912012860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122912012860 is an abundant number, since it is smaller than the sum of its proper divisors (194768271236).

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

122912012860 is a wasteful number, since it uses less digits than its factorization.

122912012860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67534102 (or 67534100 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 122912012860 in words is "one hundred twenty-two billion, nine hundred twelve million, twelve thousand, eight hundred sixty".