122322127512 has 128 divisors (see below), whose sum is σ = 331045263360. Its totient is φ = 37441996800.

The previous prime is 122322127507. The next prime is 122322127523. The reversal of 122322127512 is 215721223221.

It is a self number, because there is not a number n which added to its sum of digits gives 122322127512.

It is a congruent number.

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, 55423513 + ... + 55425719.

It is an arithmetic number, because the mean of its divisors is an integer number (2586291120).

Almost surely, 2^122322127512 is an apocalyptic number.

122322127512 is a gapful number since it is divisible by the number (12) 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 122322127512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165522631680).

122322127512 is an abundant number, since it is smaller than the sum of its proper divisors (208723135848).

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

122322127512 is a wasteful number, since it uses less digits than its factorization.

122322127512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073 (or 3069 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The spelling of 122322127512 in words is "one hundred twenty-two billion, three hundred twenty-two million, one hundred twenty-seven thousand, five hundred twelve".