123112102130 has 16 divisors (see below), whose sum is σ = 221608293120. Its totient is φ = 49243394352.

The previous prime is 123112102097. The next prime is 123112102177. The reversal of 123112102130 is 31201211321.

It is a junction number, because it is equal to n+sod(n) for n = 123112102099 and 123112102108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218681 + ... + 542259.

It is an arithmetic number, because the mean of its divisors is an integer number (13850518320).

Almost surely, 2^123112102130 is an apocalyptic number.

123112102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123112102130 is a deficient number, since it is larger than the sum of its proper divisors (98496190990).

123112102130 is a wasteful number, since it uses less digits than its factorization.

123112102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361633.

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

Adding to 123112102130 its reverse (31201211321), we get a palindrome (154313313451).

The spelling of 123112102130 in words is "one hundred twenty-three billion, one hundred twelve million, one hundred two thousand, one hundred thirty".