100112122312 has 8 divisors (see below), whose sum is σ = 187710229350. Its totient is φ = 50056061152.

The previous prime is 100112122309. The next prime is 100112122339. The reversal of 100112122312 is 213221211001.

It can be written as a sum of positive squares in only one way, i.e., 95571249316 + 4540872996 = 309146^2 + 67386^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257007637 + ... + 6257007652.

Almost surely, 2^100112122312 is an apocalyptic number.

It is an amenable number.

100112122312 is a deficient number, since it is larger than the sum of its proper divisors (87598107038).

100112122312 is a wasteful number, since it uses less digits than its factorization.

100112122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12514015295 (or 12514015291 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100112122312 its reverse (213221211001), we get a palindrome (313333333313).

The spelling of 100112122312 in words is "one hundred billion, one hundred twelve million, one hundred twenty-two thousand, three hundred twelve".