12111334213 has 12 divisors (see below), whose sum is σ = 13250821248. Its totient is φ = 10978349240.

The previous prime is 12111334201. The next prime is 12111334219. The reversal of 12111334213 is 31243311121.

It is not a de Polignac number, because 12111334213 - 2²¹ = 12109237061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111334219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1413420 + ... + 1421962.

It is an arithmetic number, because the mean of its divisors is an integer number (1104235104).

Almost surely, 2^12111334213 is an apocalyptic number.

It is an amenable number.

12111334213 is a deficient number, since it is larger than the sum of its proper divisors (1139487035).

12111334213 is an frugal number, since it uses more digits than its factorization.

12111334213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272 (or 8913 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 12111334213 its reverse (31243311121), we get a palindrome (43354645334).

The spelling of 12111334213 in words is "twelve billion, one hundred eleven million, three hundred thirty-four thousand, two hundred thirteen".