312032121230213 has 4 divisors (see below), whose sum is σ = 325598735196768. Its totient is φ = 298465507263660.

The previous prime is 312032121230099. The next prime is 312032121230227.

312032121230213 is nontrivially palindromic in base 10.

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 312032121230213 - 2⁸ = 312032121229957 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 (312032121230233) 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, 6783306983243 + ... + 6783306983288.

It is an arithmetic number, because the mean of its divisors is an integer number (81399683799192).

Almost surely, 2^{312032121230213} is an apocalyptic number.

It is an amenable number.

312032121230213 is a deficient number, since it is larger than the sum of its proper divisors (13566613966555).

312032121230213 is a wasteful number, since it uses less digits than its factorization.

312032121230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566613966554.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 312032121230213 in words is "three hundred twelve trillion, thirty-two billion, one hundred twenty-one million, two hundred thirty thousand, two hundred thirteen".