312221130022 has 8 divisors (see below), whose sum is σ = 475321720536. Its totient is φ = 153780556512.

The previous prime is 312221129989. The next prime is 312221130029. The reversal of 312221130022 is 220031122213.

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

It is a super-3 number, since 3×312221130022³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312221130029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165004083 + ... + 1165004350.

It is an arithmetic number, because the mean of its divisors is an integer number (59415215067).

Almost surely, 2^312221130022 is an apocalyptic number.

312221130022 is a deficient number, since it is larger than the sum of its proper divisors (163100590514).

312221130022 is a wasteful number, since it uses less digits than its factorization.

312221130022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330008502.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312221130022 its reverse (220031122213), we get a palindrome (532252252235).

The spelling of 312221130022 in words is "three hundred twelve billion, two hundred twenty-one million, one hundred thirty thousand, twenty-two".