12102213412 has 12 divisors (see below), whose sum is σ = 21179707276. Its totient is φ = 6050868480.

The previous prime is 12102213407. The next prime is 12102213421. The reversal of 12102213412 is 21431220121.

It can be written as a sum of positive squares in 2 ways, for example, as 4098048256 + 8004165156 = 64016^2 + 89466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12102213412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105688 + ... + 188080.

Almost surely, 2^12102213412 is an apocalyptic number.

It is an amenable number.

12102213412 is a deficient number, since it is larger than the sum of its proper divisors (9077493864).

12102213412 is a wasteful number, since it uses less digits than its factorization.

12102213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119118 (or 119116 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12102213412 its reverse (21431220121), we get a palindrome (33533433533).

The spelling of 12102213412 in words is "twelve billion, one hundred two million, two hundred thirteen thousand, four hundred twelve".