12212113232 has 40 divisors (see below), whose sum is σ = 25823710272. Its totient is φ = 5548435200.

The previous prime is 12212113223. The next prime is 12212113241. The reversal of 12212113232 is 23231121221.

It is an interprime number because it is at equal distance from previous prime (12212113223) and next prime (12212113241).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403757 + ... + 432947.

Almost surely, 2^12212113232 is an apocalyptic number.

It is an amenable number.

12212113232 is an abundant number, since it is smaller than the sum of its proper divisors (13611597040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212113232 is a wasteful number, since it uses less digits than its factorization.

12212113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31587 (or 31581 counting only the distinct ones).

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

Adding to 12212113232 its reverse (23231121221), we get a palindrome (35443234453).

The spelling of 12212113232 in words is "twelve billion, two hundred twelve million, one hundred thirteen thousand, two hundred thirty-two".