312220012233 has 8 divisors (see below), whose sum is σ = 427544521408. Its totient is φ = 202521088944.

The previous prime is 312220012219. The next prime is 312220012283. The reversal of 312220012233 is 332210022213.

It is a happy number.

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

It is not a de Polignac number, because 312220012233 - 2⁸ = 312220011977 is a prime.

It is a super-3 number, since 3×312220012233³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312220012213) 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, 1406396341 + ... + 1406396562.

It is an arithmetic number, because the mean of its divisors is an integer number (53443065176).

Almost surely, 2^312220012233 is an apocalyptic number.

It is an amenable number.

312220012233 is a deficient number, since it is larger than the sum of its proper divisors (115324509175).

312220012233 is a wasteful number, since it uses less digits than its factorization.

312220012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812792943.

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

Adding to 312220012233 its reverse (332210022213), we get a palindrome (644430034446).

The spelling of 312220012233 in words is "three hundred twelve billion, two hundred twenty million, twelve thousand, two hundred thirty-three".