122520240012130 has 96 divisors (see below), whose sum is σ = 234747042295680. Its totient is φ = 46031877089280.

The previous prime is 122520240012097. The next prime is 122520240012139. The reversal of 122520240012130 is 31210042025221.

It is a super-2 number, since 2×122520240012130² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122520240012095 and 122520240012104.

It is not an unprimeable number, because it can be changed into a prime (122520240012139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3208745019 + ... + 3208783201.

It is an arithmetic number, because the mean of its divisors is an integer number (2445281690580).

Almost surely, 2^{122520240012130} is an apocalyptic number.

122520240012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122520240012130 is a deficient number, since it is larger than the sum of its proper divisors (112226802283550).

122520240012130 is a wasteful number, since it uses less digits than its factorization.

122520240012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40444 (or 40427 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 122520240012130 its reverse (31210042025221), we get a palindrome (153730282037351).

The spelling of 122520240012130 in words is "one hundred twenty-two trillion, five hundred twenty billion, two hundred forty million, twelve thousand, one hundred thirty".