12234221012 has 48 divisors (see below), whose sum is σ = 23426145792. Its totient is φ = 5556418560.

The previous prime is 12234221009. The next prime is 12234221057. The reversal of 12234221012 is 21012243221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2127413 + ... + 2133155.

It is an arithmetic number, because the mean of its divisors is an integer number (488044704).

Almost surely, 2^12234221012 is an apocalyptic number.

It is an amenable number.

12234221012 is a deficient number, since it is larger than the sum of its proper divisors (11191924780).

12234221012 is a wasteful number, since it uses less digits than its factorization.

12234221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408 (or 6406 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12234221012 its reverse (21012243221), we get a palindrome (33246464233).

The spelling of 12234221012 in words is "twelve billion, two hundred thirty-four million, two hundred twenty-one thousand, twelve".