312112230101 has 48 divisors (see below), whose sum is σ = 385476955200. Its totient is φ = 251265514752.

The previous prime is 312112230047. The next prime is 312112230173. The reversal of 312112230101 is 101032211213.

It is not a de Polignac number, because 312112230101 - 2⁶ = 312112230037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312112230101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112230301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61040321 + ... + 61045433.

It is an arithmetic number, because the mean of its divisors is an integer number (8030769900).

Almost surely, 2^312112230101 is an apocalyptic number.

It is an amenable number.

312112230101 is a deficient number, since it is larger than the sum of its proper divisors (73364725099).

312112230101 is a wasteful number, since it uses less digits than its factorization.

312112230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698 (or 5691 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312112230101 its reverse (101032211213), we get a palindrome (413144441314).

The spelling of 312112230101 in words is "three hundred twelve billion, one hundred twelve million, two hundred thirty thousand, one hundred one".