122621064224 has 48 divisors (see below), whose sum is σ = 247829059296. Its totient is φ = 59686771200.

The previous prime is 122621064221. The next prime is 122621064233. The reversal of 122621064224 is 422460126221.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (122621064221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512639 + ... + 712769.

It is an arithmetic number, because the mean of its divisors is an integer number (5163105402).

Almost surely, 2^122621064224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122621064224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123914529648).

122621064224 is an abundant number, since it is smaller than the sum of its proper divisors (125207995072).

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

122621064224 is a wasteful number, since it uses less digits than its factorization.

122621064224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200649 (or 200641 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 122621064224 in words is "one hundred twenty-two billion, six hundred twenty-one million, sixty-four thousand, two hundred twenty-four".