100312012112 has 40 divisors (see below), whose sum is σ = 209575976904. Its totient is φ = 46237883904.

The previous prime is 100312012079. The next prime is 100312012127. The reversal of 100312012112 is 211210213001.

It can be written as a sum of positive squares in 4 ways, for example, as 2069886016 + 98242126096 = 45496^2 + 313436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151163 + ... + 472730.

Almost surely, 2^100312012112 is an apocalyptic number.

It is an amenable number.

100312012112 is an abundant number, since it is smaller than the sum of its proper divisors (109263964792).

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

100312012112 is a wasteful number, since it uses less digits than its factorization.

100312012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624687 (or 624681 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100312012112 its reverse (211210213001), we get a palindrome (311522225113).

The spelling of 100312012112 in words is "one hundred billion, three hundred twelve million, twelve thousand, one hundred twelve".