122915937210 has 64 divisors (see below), whose sum is σ = 322292214144. Its totient is φ = 29753734400.

The previous prime is 122915937173. The next prime is 122915937217. The reversal of 122915937210 is 12739519221.

It is not an unprimeable number, because it can be changed into a prime (122915937217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51681 + ... + 498500.

It is an arithmetic number, because the mean of its divisors is an integer number (5035815846).

Almost surely, 2^122915937210 is an apocalyptic number.

122915937210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122915937210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161146107072).

122915937210 is an abundant number, since it is smaller than the sum of its proper divisors (199376276934).

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

122915937210 is a wasteful number, since it uses less digits than its factorization.

122915937210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550879.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 122915937210 in words is "one hundred twenty-two billion, nine hundred fifteen million, nine hundred thirty-seven thousand, two hundred ten".