113203200312 has 48 divisors (see below), whose sum is σ = 310910212080. Its totient is φ = 37202928000.

The previous prime is 113203200301. The next prime is 113203200377. The reversal of 113203200312 is 213002302311.

113203200312 is a `hidden beast` number, since 1 + 1 + 32 + 0 + 320 + 0 + 312 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11067189 + ... + 11077412.

It is an arithmetic number, because the mean of its divisors is an integer number (6477296085).

Almost surely, 2^113203200312 is an apocalyptic number.

113203200312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113203200312 is an abundant number, since it is smaller than the sum of its proper divisors (197707011768).

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

113203200312 is a wasteful number, since it uses less digits than its factorization.

113203200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144684 (or 22144677 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113203200312 its reverse (213002302311), we get a palindrome (326205502623).

The spelling of 113203200312 in words is "one hundred thirteen billion, two hundred three million, two hundred thousand, three hundred twelve".