122162421680 has 160 divisors (see below), whose sum is σ = 321099448320. Its totient is φ = 42910571520.

The previous prime is 122162421637. The next prime is 122162421691. The reversal of 122162421680 is 86124261221.

It is a self number, because there is not a number n which added to its sum of digits gives 122162421680.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1870049 + ... + 1934271.

It is an arithmetic number, because the mean of its divisors is an integer number (2006871552).

Almost surely, 2^122162421680 is an apocalyptic number.

122162421680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122162421680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160549724160).

122162421680 is an abundant number, since it is smaller than the sum of its proper divisors (198937026640).

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

122162421680 is a wasteful number, since it uses less digits than its factorization.

122162421680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64339 (or 64333 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 122162421680 in words is "one hundred twenty-two billion, one hundred sixty-two million, four hundred twenty-one thousand, six hundred eighty".