312032123201 has 4 divisors (see below), whose sum is σ = 313775319600. Its totient is φ = 310288926804.

The previous prime is 312032123197. The next prime is 312032123297. The reversal of 312032123201 is 102321230213.

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 312032123201 - 2² = 312032123197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312032123101) 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, 871597931 + ... + 871598288.

It is an arithmetic number, because the mean of its divisors is an integer number (78443829900).

Almost surely, 2^312032123201 is an apocalyptic number.

It is an amenable number.

312032123201 is a deficient number, since it is larger than the sum of its proper divisors (1743196399).

312032123201 is a wasteful number, since it uses less digits than its factorization.

312032123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743196398.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312032123201 its reverse (102321230213), we get a palindrome (414353353414).

The spelling of 312032123201 in words is "three hundred twelve billion, thirty-two million, one hundred twenty-three thousand, two hundred one".