312023120201 has 16 divisors (see below), whose sum is σ = 336585488400. Its totient is φ = 287541163008.

The previous prime is 312023120159. The next prime is 312023120221. The reversal of 312023120201 is 102021320213.

It can be written as a sum of positive squares in 8 ways, for example, as 5440537600 + 306582582601 = 73760^2 + 553699^2 .

It is a cyclic number.

It is not a de Polignac number, because 312023120201 - 2²⁶ = 311956011337 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 312023120201.

It is not an unprimeable number, because it can be changed into a prime (312023120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31935245 + ... + 31945013.

It is an arithmetic number, because the mean of its divisors is an integer number (21036593025).

Almost surely, 2^312023120201 is an apocalyptic number.

It is an amenable number.

312023120201 is a deficient number, since it is larger than the sum of its proper divisors (24562368199).

312023120201 is a wasteful number, since it uses less digits than its factorization.

312023120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312023120201 its reverse (102021320213), we get a palindrome (414044440414).

The spelling of 312023120201 in words is "three hundred twelve billion, twenty-three million, one hundred twenty thousand, two hundred one".