122275431520 has 96 divisors (see below), whose sum is σ = 317252829600. Its totient is φ = 44165283840.

The previous prime is 122275431511. The next prime is 122275431563. The reversal of 122275431520 is 25134572221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29104 + ... + 495376.

It is an arithmetic number, because the mean of its divisors is an integer number (3304716975).

Almost surely, 2^122275431520 is an apocalyptic number.

122275431520 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 122275431520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158626414800).

122275431520 is an abundant number, since it is smaller than the sum of its proper divisors (194977398080).

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

122275431520 is a wasteful number, since it uses less digits than its factorization.

122275431520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466448 (or 466440 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 122275431520 in words is "one hundred twenty-two billion, two hundred seventy-five million, four hundred thirty-one thousand, five hundred twenty".