12331021222 has 8 divisors (see below), whose sum is σ = 19919342016. Its totient is φ = 5691240552.

The previous prime is 12331021207. The next prime is 12331021253. The reversal of 12331021222 is 22212013321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12331021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237134998 + ... + 237135049.

It is an arithmetic number, because the mean of its divisors is an integer number (2489917752).

Almost surely, 2^12331021222 is an apocalyptic number.

12331021222 is a deficient number, since it is larger than the sum of its proper divisors (7588320794).

12331021222 is a wasteful number, since it uses less digits than its factorization.

12331021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474270062.

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

Adding to 12331021222 its reverse (22212013321), we get a palindrome (34543034543).

The spelling of 12331021222 in words is "twelve billion, three hundred thirty-one million, twenty-one thousand, two hundred twenty-two".