100112312200 has 48 divisors (see below), whose sum is σ = 233062599780. Its totient is φ = 39993058560.

The previous prime is 100112312173. The next prime is 100112312227. The reversal of 100112312200 is 2213211001.

It is an interprime number because it is at equal distance from previous prime (100112312173) and next prime (100112312227).

It can be written as a sum of positive squares in 6 ways, for example, as 343509156 + 99768803044 = 18534^2 + 315862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169179 + ... + 478378.

Almost surely, 2^100112312200 is an apocalyptic number.

100112312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112312200 is an abundant number, since it is smaller than the sum of its proper divisors (132950287580).

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

100112312200 is a wasteful number, since it uses less digits than its factorization.

100112312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648346 (or 648337 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100112312200 its reverse (2213211001), we get a palindrome (102325523201).

The spelling of 100112312200 in words is "one hundred billion, one hundred twelve million, three hundred twelve thousand, two hundred".