122621107216 has 20 divisors (see below), whose sum is σ = 242633256192. Its totient is φ = 60006073376.

The previous prime is 122621107087. The next prime is 122621107237. The reversal of 122621107216 is 612701126221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81529240 + ... + 81530743.

Almost surely, 2^122621107216 is an apocalyptic number.

122621107216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122621107216 is a deficient number, since it is larger than the sum of its proper divisors (120012148976).

122621107216 is a wasteful number, since it uses less digits than its factorization.

122621107216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163060038 (or 163060032 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 122621107216 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, two hundred sixteen".