123110122130 has 32 divisors (see below), whose sum is σ = 234824721840. Its totient is φ = 46309550080.

The previous prime is 123110122127. The next prime is 123110122141. The reversal of 123110122130 is 31221011321.

It can be written as a sum of positive squares in 8 ways, for example, as 84921536569 + 38188585561 = 291413^2 + 195419^2 .

It is a super-2 number, since 2×123110122130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 123110122099 and 123110122108.

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, 85691 + ... + 503550.

Almost surely, 2^123110122130 is an apocalyptic number.

123110122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123110122130 is a deficient number, since it is larger than the sum of its proper divisors (111714599710).

123110122130 is a wasteful number, since it uses less digits than its factorization.

123110122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590494.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123110122130 its reverse (31221011321), we get a palindrome (154331133451).

The spelling of 123110122130 in words is "one hundred twenty-three billion, one hundred ten million, one hundred twenty-two thousand, one hundred thirty".