113100012312 has 64 divisors (see below), whose sum is σ = 323587729920. Its totient is φ = 32269805568.

The previous prime is 113100012269. The next prime is 113100012329. The reversal of 113100012312 is 213210001311.

It is a happy number.

It is a super-2 number, since 2×113100012312² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113100012291 and 113100012300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340873 + ... + 585144.

It is an arithmetic number, because the mean of its divisors is an integer number (5056058280).

Almost surely, 2^113100012312 is an apocalyptic number.

113100012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113100012312 is an abundant number, since it is smaller than the sum of its proper divisors (210487717608).

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

113100012312 is a wasteful number, since it uses less digits than its factorization.

113100012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926760 (or 926756 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113100012312 its reverse (213210001311), we get a palindrome (326310013623).

The spelling of 113100012312 in words is "one hundred thirteen billion, one hundred million, twelve thousand, three hundred twelve".