12115035600 has 120 divisors (see below), whose sum is σ = 40060507392. Its totient is φ = 3126451200.

The previous prime is 12115035551. The next prime is 12115035641. The reversal of 12115035600 is 653051121.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125637 + ... + 200036.

Almost surely, 2^12115035600 is an apocalyptic number.

12115035600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12115035600 is an abundant number, since it is smaller than the sum of its proper divisors (27945471792).

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

12115035600 is a wasteful number, since it uses less digits than its factorization.

12115035600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325725 (or 325714 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 12115035600 its reverse (653051121), we get a palindrome (12768086721).

The spelling of 12115035600 in words is "twelve billion, one hundred fifteen million, thirty-five thousand, six hundred".