12232113212 has 48 divisors (see below), whose sum is σ = 23570507520. Its totient is φ = 5508316800.

The previous prime is 12232113197. The next prime is 12232113233. The reversal of 12232113212 is 21231123221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2210393 + ... + 2215919.

It is an arithmetic number, because the mean of its divisors is an integer number (491052240).

Almost surely, 2^12232113212 is an apocalyptic number.

It is an amenable number.

12232113212 is a deficient number, since it is larger than the sum of its proper divisors (11338394308).

12232113212 is a wasteful number, since it uses less digits than its factorization.

12232113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002 (or 6000 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 12232113212 its reverse (21231123221), we get a palindrome (33463236433).

The spelling of 12232113212 in words is "twelve billion, two hundred thirty-two million, one hundred thirteen thousand, two hundred twelve".