12321211142422 has 64 divisors (see below), whose sum is σ = 22783472087040. Its totient is φ = 4866484385664.

The previous prime is 12321211142413. The next prime is 12321211142441. The reversal of 12321211142422 is 22424111212321.

It is a happy number.

It is a super-2 number, since 2×12321211142422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294090508 + ... + 294132400.

It is an arithmetic number, because the mean of its divisors is an integer number (355991751360).

Almost surely, 2^{12321211142422} is an apocalyptic number.

12321211142422 is a deficient number, since it is larger than the sum of its proper divisors (10462260944618).

12321211142422 is a wasteful number, since it uses less digits than its factorization.

12321211142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44477.

The product of its digits is 3072, while the sum is 28.

Adding to 12321211142422 its reverse (22424111212321), we get a palindrome (34745322354743).

The spelling of 12321211142422 in words is "twelve trillion, three hundred twenty-one billion, two hundred eleven million, one hundred forty-two thousand, four hundred twenty-two".