312220122033 has 8 divisors (see below), whose sum is σ = 416312428896. Its totient is φ = 208137281600.

The previous prime is 312220122013. The next prime is 312220122043. The reversal of 312220122033 is 330221022213.

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 312220122033 - 2⁸ = 312220121777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312220122013) 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, 2289288 + ... + 2421833.

It is an arithmetic number, because the mean of its divisors is an integer number (52039053612).

Almost surely, 2^312220122033 is an apocalyptic number.

It is an amenable number.

312220122033 is a deficient number, since it is larger than the sum of its proper divisors (104092306863).

312220122033 is a wasteful number, since it uses less digits than its factorization.

312220122033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733215.

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

Adding to 312220122033 its reverse (330221022213), we get a palindrome (642441144246).

The spelling of 312220122033 in words is "three hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, thirty-three".