312220323201 has 8 divisors (see below), whose sum is σ = 416314404000. Its totient is φ = 208136562272.

The previous prime is 312220323197. The next prime is 312220323209. The reversal of 312220323201 is 102323022213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312220323201 - 2² = 312220323197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312220323209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509095 + ... + 2630588.

It is an arithmetic number, because the mean of its divisors is an integer number (52039300500).

Almost surely, 2^312220323201 is an apocalyptic number.

It is an amenable number.

312220323201 is a deficient number, since it is larger than the sum of its proper divisors (104094080799).

312220323201 is a wasteful number, since it uses less digits than its factorization.

312220323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159935.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312220323201 its reverse (102323022213), we get a palindrome (414543345414).

The spelling of 312220323201 in words is "three hundred twelve billion, two hundred twenty million, three hundred twenty-three thousand, two hundred one".