12103125200 has 30 divisors (see below), whose sum is σ = 29077759254. Its totient is φ = 4841249920.

The previous prime is 12103125187. The next prime is 12103125217. The reversal of 12103125200 is 252130121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3935303824 + 8167821376 = 62732^2 + 90376^2 .

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, 15128507 + ... + 15129306.

Almost surely, 2^12103125200 is an apocalyptic number.

12103125200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103125200 is an abundant number, since it is smaller than the sum of its proper divisors (16974634054).

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

12103125200 is a wasteful number, since it uses less digits than its factorization.

12103125200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257831 (or 30257820 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12103125200 its reverse (252130121), we get a palindrome (12355255321).

The spelling of 12103125200 in words is "twelve billion, one hundred three million, one hundred twenty-five thousand, two hundred".