312220330022 has 16 divisors (see below), whose sum is σ = 495925649280. Its totient is φ = 146913495168.

The previous prime is 312220329977. The next prime is 312220330049. The reversal of 312220330022 is 220033022213.

It is a junction number, because it is equal to n+sod(n) for n = 312220329976 and 312220330003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54497 + ... + 792092.

It is an arithmetic number, because the mean of its divisors is an integer number (30995353080).

Almost surely, 2^312220330022 is an apocalyptic number.

312220330022 is a deficient number, since it is larger than the sum of its proper divisors (183705319258).

312220330022 is a wasteful number, since it uses less digits than its factorization.

312220330022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857455.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 312220330022 its reverse (220033022213), we get a palindrome (532253352235).

The spelling of 312220330022 in words is "three hundred twelve billion, two hundred twenty million, three hundred thirty thousand, twenty-two".