12335213324021 has 6 divisors (see below), whose sum is σ = 14349125703510. Its totient is φ = 10573039991976.

The previous prime is 12335213324011. The next prime is 12335213324029. The reversal of 12335213324021 is 12042331253321.

It can be written as a sum of positive squares in only one way, i.e., 12300276480625 + 34936843396 = 3507175^2 + 186914^2 .

It is not a de Polignac number, because 12335213324021 - 2³⁸ = 12060335417077 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 (12335213324029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125869523666 + ... + 125869523763.

It is an arithmetic number, because the mean of its divisors is an integer number (2391520950585).

Almost surely, 2^{12335213324021} is an apocalyptic number.

It is an amenable number.

12335213324021 is a deficient number, since it is larger than the sum of its proper divisors (2013912379489).

12335213324021 is an equidigital number, since it uses as much as digits as its factorization.

12335213324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251739047443 (or 251739047436 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 12335213324021 its reverse (12042331253321), we get a palindrome (24377544577342).

The spelling of 12335213324021 in words is "twelve trillion, three hundred thirty-five billion, two hundred thirteen million, three hundred twenty-four thousand, twenty-one".