12312020222 has 8 divisors (see below), whose sum is σ = 18475953336. Its totient is φ = 6153369112.

The previous prime is 12312020179. The next prime is 12312020263. The reversal of 12312020222 is 22202021321.

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 12312020222.

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, 1314668 + ... + 1323999.

It is an arithmetic number, because the mean of its divisors is an integer number (2309494167).

Almost surely, 2^12312020222 is an apocalyptic number.

12312020222 is a deficient number, since it is larger than the sum of its proper divisors (6163933114).

12312020222 is a wasteful number, since it uses less digits than its factorization.

12312020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641002.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12312020222 its reverse (22202021321), we get a palindrome (34514041543).

The spelling of 12312020222 in words is "twelve billion, three hundred twelve million, twenty thousand, two hundred twenty-two".