12103117200 has 150 divisors (see below), whose sum is σ = 43437232674. Its totient is φ = 3227489280.

The previous prime is 12103117193. The next prime is 12103117223. The reversal of 12103117200 is 271130121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1826023824 + 10277093376 = 42732^2 + 101376^2 .

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 154377 + ... + 219176.

Almost surely, 2^12103117200 is an apocalyptic number.

12103117200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103117200 is an abundant number, since it is smaller than the sum of its proper divisors (31334115474).

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

12103117200 is a wasteful number, since it uses less digits than its factorization.

12103117200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373583 (or 373563 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

Adding to 12103117200 its reverse (271130121), we get a palindrome (12374247321).

The spelling of 12103117200 in words is "twelve billion, one hundred three million, one hundred seventeen thousand, two hundred".