12123110200 has 24 divisors (see below), whose sum is σ = 28186231680. Its totient is φ = 4849244000.

The previous prime is 12123110191. The next prime is 12123110239. The reversal of 12123110200 is 201132121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30307576 + ... + 30307975.

It is an arithmetic number, because the mean of its divisors is an integer number (1174426320).

Almost surely, 2^12123110200 is an apocalyptic number.

12123110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12123110200 is an abundant number, since it is smaller than the sum of its proper divisors (16063121480).

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

12123110200 is a wasteful number, since it uses less digits than its factorization.

12123110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60615567 (or 60615558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12123110200 its reverse (201132121), we get a palindrome (12324242321).

The spelling of 12123110200 in words is "twelve billion, one hundred twenty-three million, one hundred ten thousand, two hundred".