12320221210 has 48 divisors (see below), whose sum is σ = 24429027168. Its totient is φ = 4470282080.

The previous prime is 12320221201. The next prime is 12320221211. The reversal of 12320221210 is 1212202321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12320221211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554169 + ... + 575971.

It is an arithmetic number, because the mean of its divisors is an integer number (508938066).

Almost surely, 2^12320221210 is an apocalyptic number.

12320221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320221210 is a deficient number, since it is larger than the sum of its proper divisors (12108805958).

12320221210 is a wasteful number, since it uses less digits than its factorization.

12320221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22299 (or 22288 counting only the distinct ones).

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

Adding to 12320221210 its reverse (1212202321), we get a palindrome (13532423531).

The spelling of 12320221210 in words is "twelve billion, three hundred twenty million, two hundred twenty-one thousand, two hundred ten".