122322021312090 has 128 divisors (see below), whose sum is σ = 301679798112000. Its totient is φ = 31730796527616.

The previous prime is 122322021312089. The next prime is 122322021312229. The reversal of 122322021312090 is 90213120223221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147950932 + ... + 148775408.

It is an arithmetic number, because the mean of its divisors is an integer number (2356873422750).

Almost surely, 2^{122322021312090} is an apocalyptic number.

122322021312090 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 122322021312090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150839899056000).

122322021312090 is an abundant number, since it is smaller than the sum of its proper divisors (179357776799910).

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

122322021312090 is a wasteful number, since it uses less digits than its factorization.

122322021312090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825424.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 122322021312090 in words is "one hundred twenty-two trillion, three hundred twenty-two billion, twenty-one million, three hundred twelve thousand, ninety".