123112000030 has 16 divisors (see below), whose sum is σ = 222082305984. Its totient is φ = 49137976480.

The previous prime is 123112000007. The next prime is 123112000051. The reversal of 123112000030 is 30000211321.

It is a congruent number.

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, 13348102 + ... + 13357321.

It is an arithmetic number, because the mean of its divisors is an integer number (13880144124).

Almost surely, 2^123112000030 is an apocalyptic number.

123112000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123112000030 is a deficient number, since it is larger than the sum of its proper divisors (98970305954).

123112000030 is a wasteful number, since it uses less digits than its factorization.

123112000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26705891.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 123112000030 its reverse (30000211321), we get a palindrome (153112211351).

The spelling of 123112000030 in words is "one hundred twenty-three billion, one hundred twelve million, thirty", and thus it is an aban number.