113222100312 has 48 divisors (see below), whose sum is σ = 306659067000. Its totient is φ = 37738745856.

The previous prime is 113222100307. The next prime is 113222100403. The reversal of 113222100312 is 213001222311.

113222100312 is a `hidden beast` number, since 1 + 132 + 221 + 0 + 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, 2242239 + ... + 2292177.

Almost surely, 2^113222100312 is an apocalyptic number.

113222100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113222100312 is an abundant number, since it is smaller than the sum of its proper divisors (193436966688).

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

113222100312 is a wasteful number, since it uses less digits than its factorization.

113222100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81440 (or 81433 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113222100312 its reverse (213001222311), we get a palindrome (326223322623).

The spelling of 113222100312 in words is "one hundred thirteen billion, two hundred twenty-two million, one hundred thousand, three hundred twelve".