122159870320 has 80 divisors (see below), whose sum is σ = 284902881120. Its totient is φ = 48712601600.

The previous prime is 122159870303. The next prime is 122159870323. The reversal of 122159870320 is 23078951221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122159870323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61727091 + ... + 61729069.

It is an arithmetic number, because the mean of its divisors is an integer number (3561286014).

Almost surely, 2^122159870320 is an apocalyptic number.

122159870320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122159870320 is an abundant number, since it is smaller than the sum of its proper divisors (162743010800).

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

122159870320 is a wasteful number, since it uses less digits than its factorization.

122159870320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 122159870320 in words is "one hundred twenty-two billion, one hundred fifty-nine million, eight hundred seventy thousand, three hundred twenty".