312112030213201 has 4 divisors (see below), whose sum is σ = 312112174933504. Its totient is φ = 312111885492900.

The previous prime is 312112030213199. The next prime is 312112030213219. The reversal of 312112030213201 is 102312030211213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312112030213201 - 2¹ = 312112030213199 is a prime.

It is a super-4 number, since 4×312112030213201⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312112030213801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69075465 + ... + 73455046.

It is an arithmetic number, because the mean of its divisors is an integer number (78028043733376).

Almost surely, 2^{312112030213201} is an apocalyptic number.

It is an amenable number.

312112030213201 is a deficient number, since it is larger than the sum of its proper divisors (144720303).

312112030213201 is a wasteful number, since it uses less digits than its factorization.

312112030213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144720302.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 312112030213201 its reverse (102312030211213), we get a palindrome (414424060424414).

The spelling of 312112030213201 in words is "three hundred twelve trillion, one hundred twelve billion, thirty million, two hundred thirteen thousand, two hundred one".