12103123110 has 64 divisors (see below), whose sum is σ = 31677972480. Its totient is φ = 2941511040.

The previous prime is 12103123093. The next prime is 12103123129. The reversal of 12103123110 is 1132130121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12103123110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165606 + ... + 227225.

It is an arithmetic number, because the mean of its divisors is an integer number (494968320).

Almost surely, 2^12103123110 is an apocalyptic number.

12103123110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12103123110 is an abundant number, since it is smaller than the sum of its proper divisors (19574849370).

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

12103123110 is a wasteful number, since it uses less digits than its factorization.

12103123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392933.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12103123110 its reverse (1132130121), we get a palindrome (13235253231).

The spelling of 12103123110 in words is "twelve billion, one hundred three million, one hundred twenty-three thousand, one hundred ten".