122555525120 has 192 divisors, whose sum is σ = 338047032960. Its totient is φ = 41771925504.

The previous prime is 122555525111. The next prime is 122555525137. The reversal of 122555525120 is 21525555221.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 12395699 + ... + 12405581.

It is an arithmetic number, because the mean of its divisors is an integer number (1760661630).

Almost surely, 2^122555525120 is an apocalyptic number.

122555525120 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 122555525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169023516480).

122555525120 is an abundant number, since it is smaller than the sum of its proper divisors (215491507840).

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

122555525120 is an equidigital number, since it uses as much as digits as its factorization.

122555525120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090 (or 10070 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 122555525120 in words is "one hundred twenty-two billion, five hundred fifty-five million, five hundred twenty-five thousand, one hundred twenty".