312122322401 has 8 divisors (see below), whose sum is σ = 313237286784. Its totient is φ = 311009307280.

The previous prime is 312122322373. The next prime is 312122322431. The reversal of 312122322401 is 104223221213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312122322401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312122322431) 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, 166121 + ... + 807366.

It is an arithmetic number, because the mean of its divisors is an integer number (39154660848).

Almost surely, 2^312122322401 is an apocalyptic number.

It is an amenable number.

312122322401 is a deficient number, since it is larger than the sum of its proper divisors (1114964383).

312122322401 is an equidigital number, since it uses as much as digits as its factorization.

312122322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974631.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 312122322401 its reverse (104223221213), we get a palindrome (416345543614).

The spelling of 312122322401 in words is "three hundred twelve billion, one hundred twenty-two million, three hundred twenty-two thousand, four hundred one".