12013433220013 has 8 divisors (see below), whose sum is σ = 12240240240888. Its totient is φ = 11786631327744.

The previous prime is 12013433220007. The next prime is 12013433220037. The reversal of 12013433220013 is 31002233431021.

It can be written as a sum of positive squares in 4 ways, for example, as 5840061890884 + 6173371329129 = 2416622^2 + 2484627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12013433220013 - 2²⁹ = 12012896349101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12013433220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013433220073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3622381 + ... + 6094957.

It is an arithmetic number, because the mean of its divisors is an integer number (1530030030111).

Almost surely, 2^{12013433220013} is an apocalyptic number.

It is an amenable number.

12013433220013 is a deficient number, since it is larger than the sum of its proper divisors (226807020875).

12013433220013 is an equidigital number, since it uses as much as digits as its factorization.

12013433220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564303.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12013433220013 its reverse (31002233431021), we get a palindrome (43015666651034).

The spelling of 12013433220013 in words is "twelve trillion, thirteen billion, four hundred thirty-three million, two hundred twenty thousand, thirteen".