12111332212 has 24 divisors (see below), whose sum is σ = 24227693504. Its totient is φ = 5189493312.

The previous prime is 12111332161. The next prime is 12111332221. The reversal of 12111332212 is 21223311121.

It is a self number, because there is not a number n which added to its sum of digits gives 12111332212.

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, 100648 + ... + 185344.

Almost surely, 2^12111332212 is an apocalyptic number.

It is an amenable number.

12111332212 is an abundant number, since it is smaller than the sum of its proper divisors (12116361292).

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

12111332212 is a wasteful number, since it uses less digits than its factorization.

12111332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89815 (or 89813 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 12111332212 its reverse (21223311121), we get a palindrome (33334643333).

The spelling of 12111332212 in words is "twelve billion, one hundred eleven million, three hundred thirty-two thousand, two hundred twelve".