312132131210001 has 4 divisors (see below), whose sum is σ = 416176174946672. Its totient is φ = 208088087473332.

The previous prime is 312132131209981. The next prime is 312132131210063. The reversal of 312132131210001 is 100012131231213.

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 not a de Polignac number, because 312132131210001 - 2⁹ = 312132131209489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312132131210001.

It is not an unprimeable number, because it can be changed into a prime (312132131210071) 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, 52022021868331 + ... + 52022021868336.

It is an arithmetic number, because the mean of its divisors is an integer number (104044043736668).

Almost surely, 2^{312132131210001} is an apocalyptic number.

It is an amenable number.

312132131210001 is a deficient number, since it is larger than the sum of its proper divisors (104044043736671).

312132131210001 is a wasteful number, since it uses less digits than its factorization.

312132131210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104044043736670.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 312132131210001 its reverse (100012131231213), we get a palindrome (412144262441214).

The spelling of 312132131210001 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred thirty-one million, two hundred ten thousand, one".