12321230221102 has 16 divisors (see below), whose sum is σ = 20162073024000. Its totient is φ = 5600542542840.

The previous prime is 12321230221087. The next prime is 12321230221129. The reversal of 12321230221102 is 20112203212321.

It is a super-2 number, since 2×12321230221102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9695299 + ... + 10892257.

It is an arithmetic number, because the mean of its divisors is an integer number (1260129564000).

Almost surely, 2^{12321230221102} is an apocalyptic number.

12321230221102 is a deficient number, since it is larger than the sum of its proper divisors (7840842802898).

12321230221102 is a wasteful number, since it uses less digits than its factorization.

12321230221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664871.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12321230221102 its reverse (20112203212321), we get a palindrome (32433433433423).

The spelling of 12321230221102 in words is "twelve trillion, three hundred twenty-one billion, two hundred thirty million, two hundred twenty-one thousand, one hundred two".