12013330311 has 24 divisors (see below), whose sum is σ = 17878670160. Its totient is φ = 7767467136.

The previous prime is 12013330291. The next prime is 12013330321. The reversal of 12013330311 is 11303331021.

It is a happy number.

12013330311 is a `hidden beast` number, since 1 + 20 + 1 + 3 + 330 + 311 = 666.

It is not a de Polignac number, because 12013330311 - 2¹⁰ = 12013329287 is a prime.

It is a super-2 number, since 2×12013330311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013330321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46600 + ... + 161858.

It is an arithmetic number, because the mean of its divisors is an integer number (744944590).

Almost surely, 2^12013330311 is an apocalyptic number.

12013330311 is a deficient number, since it is larger than the sum of its proper divisors (5865339849).

12013330311 is a wasteful number, since it uses less digits than its factorization.

12013330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115615 (or 115612 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12013330311 its reverse (11303331021), we get a palindrome (23316661332).

The spelling of 12013330311 in words is "twelve billion, thirteen million, three hundred thirty thousand, three hundred eleven".