12320121022 has 12 divisors (see below), whose sum is σ = 20312927208. Its totient is φ = 5600054900.

The previous prime is 12320120993. The next prime is 12320121031. The reversal of 12320121022 is 22012102321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12320120987 and 12320121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25454554 + ... + 25455037.

It is an arithmetic number, because the mean of its divisors is an integer number (1692743934).

Almost surely, 2^12320121022 is an apocalyptic number.

12320121022 is a deficient number, since it is larger than the sum of its proper divisors (7992806186).

12320121022 is a wasteful number, since it uses less digits than its factorization.

12320121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50909615 (or 50909604 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12320121022 its reverse (22012102321), we get a palindrome (34332223343).

The spelling of 12320121022 in words is "twelve billion, three hundred twenty million, one hundred twenty-one thousand, twenty-two".