122120038966816 has 48 divisors (see below), whose sum is σ = 268677624565728. Its totient is φ = 54155227916800.

The previous prime is 122120038966771. The next prime is 122120038966889. The reversal of 122120038966816 is 618669830021221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4230862750 + ... + 4230891613.

It is an arithmetic number, because the mean of its divisors is an integer number (5597450511786).

Almost surely, 2^{122120038966816} is an apocalyptic number.

122120038966816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122120038966816 is an abundant number, since it is smaller than the sum of its proper divisors (146557585598912).

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

122120038966816 is a wasteful number, since it uses less digits than its factorization.

122120038966816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461754425 (or 8461754417 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 122120038966816 in words is "one hundred twenty-two trillion, one hundred twenty billion, thirty-eight million, nine hundred sixty-six thousand, eight hundred sixteen".