312200112112101 has 8 divisors (see below), whose sum is σ = 462518684610560. Its totient is φ = 208133408074716.

The previous prime is 312200112112087. The next prime is 312200112112139. The reversal of 312200112112101 is 101211211002213.

It is a happy number.

312200112112101 is a `hidden beast` number, since 31 + 2 + 200 + 11 + 211 + 210 + 1 = 666.

It is not a de Polignac number, because 312200112112101 - 2²⁶ = 312200045003237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312200112162101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5781483557605 + ... + 5781483557658.

It is an arithmetic number, because the mean of its divisors is an integer number (57814835576320).

Almost surely, 2^{312200112112101} is an apocalyptic number.

It is an amenable number.

312200112112101 is a deficient number, since it is larger than the sum of its proper divisors (150318572498459).

312200112112101 is a wasteful number, since it uses less digits than its factorization.

312200112112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562967115272 (or 11562967115266 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 312200112112101 its reverse (101211211002213), we get a palindrome (413411323114314).

The spelling of 312200112112101 in words is "three hundred twelve trillion, two hundred billion, one hundred twelve million, one hundred twelve thousand, one hundred one".