113001222312 has 64 divisors (see below), whose sum is σ = 342427953600. Its totient is φ = 34242793920.

The previous prime is 113001222311. The next prime is 113001222331. The reversal of 113001222312 is 213222100311.

113001222312 is a `hidden beast` number, since 1 + 130 + 0 + 1 + 222 + 312 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (113001222311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23777343 + ... + 23782094.

It is an arithmetic number, because the mean of its divisors is an integer number (5350436775).

Almost surely, 2^113001222312 is an apocalyptic number.

113001222312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113001222312 is an abundant number, since it is smaller than the sum of its proper divisors (229426731288).

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

113001222312 is a wasteful number, since it uses less digits than its factorization.

113001222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47559463 (or 47559453 counting only the distinct ones).

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

Adding to 113001222312 its reverse (213222100311), we get a palindrome (326223322623).

The spelling of 113001222312 in words is "one hundred thirteen billion, one million, two hundred twenty-two thousand, three hundred twelve".