123100000122 has 32 divisors (see below), whose sum is σ = 268594444800. Its totient is φ = 37301276720.

The previous prime is 123100000117. The next prime is 123100000181. The reversal of 123100000122 is 221000001321.

It is a super-2 number, since 2×123100000122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123100000098 and 123100000107.

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, 2370043 + ... + 2421425.

It is an arithmetic number, because the mean of its divisors is an integer number (8393576400).

Almost surely, 2^123100000122 is an apocalyptic number.

123100000122 is an abundant number, since it is smaller than the sum of its proper divisors (145494444678).

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

123100000122 is a wasteful number, since it uses less digits than its factorization.

123100000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87698.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 123100000122 its reverse (221000001321), we get a palindrome (344100001443).

The spelling of 123100000122 in words is "one hundred twenty-three billion, one hundred million, one hundred twenty-two", and thus it is an aban number.