100112312 has 8 divisors (see below), whose sum is σ = 187710600. Its totient is φ = 50056152.

The previous prime is 100112297. The next prime is 100112329. The reversal of 100112312 is 213211001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 100112293 and 100112302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257012 + ... + 6257027.

It is an arithmetic number, because the mean of its divisors is an integer number (23463825).

Almost surely, 2^100112312 is an apocalyptic number.

It is an amenable number.

100112312 is a deficient number, since it is larger than the sum of its proper divisors (87598288).

100112312 is a wasteful number, since it uses less digits than its factorization.

100112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12514045 (or 12514041 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 100112312 is about 10005.6140241366. The cubic root of 100112312 is about 464.3325870558.

Adding to 100112312 its reverse (213211001), we get a palindrome (313323313).

The spelling of 100112312 in words is "one hundred million, one hundred twelve thousand, three hundred twelve".