12311332120222 has 4 divisors (see below), whose sum is σ = 18466998180336. Its totient is φ = 6155666060110.

The previous prime is 12311332120169. The next prime is 12311332120223. The reversal of 12311332120222 is 22202123311321.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12311332120222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311332120223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077833030054 + ... + 3077833030057.

It is an arithmetic number, because the mean of its divisors is an integer number (4616749545084).

Almost surely, 2^{12311332120222} is an apocalyptic number.

12311332120222 is a deficient number, since it is larger than the sum of its proper divisors (6155666060114).

12311332120222 is an equidigital number, since it uses as much as digits as its factorization.

12311332120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155666060113.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12311332120222 its reverse (22202123311321), we get a palindrome (34513455431543).

The spelling of 12311332120222 in words is "twelve trillion, three hundred eleven billion, three hundred thirty-two million, one hundred twenty thousand, two hundred twenty-two".