12032311213 has 16 divisors (see below), whose sum is σ = 13440898240. Its totient is φ = 10699807104.

The previous prime is 12032311171. The next prime is 12032311219. The reversal of 12032311213 is 31211323021.

It is a cyclic number.

It is not a de Polignac number, because 12032311213 - 2⁹ = 12032310701 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 (12032311219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106623 + ... + 188236.

It is an arithmetic number, because the mean of its divisors is an integer number (840056140).

Almost surely, 2^12032311213 is an apocalyptic number.

12032311213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12032311213 is a deficient number, since it is larger than the sum of its proper divisors (1408587027).

12032311213 is a wasteful number, since it uses less digits than its factorization.

12032311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294988.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12032311213 its reverse (31211323021), we get a palindrome (43243634234).

The spelling of 12032311213 in words is "twelve billion, thirty-two million, three hundred eleven thousand, two hundred thirteen".