2412343321021 has 4 divisors (see below), whose sum is σ = 2495527573500. Its totient is φ = 2329159068544.

The previous prime is 2412343321013. The next prime is 2412343321039. The reversal of 2412343321021 is 1201233432142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 917313795225 + 1495029525796 = 957765^2 + 1222714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2412343321021 - 2³ = 2412343321013 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 (2412343321721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41592126196 + ... + 41592126253.

It is an arithmetic number, because the mean of its divisors is an integer number (623881893375).

Almost surely, 2^{2412343321021} is an apocalyptic number.

It is an amenable number.

2412343321021 is a deficient number, since it is larger than the sum of its proper divisors (83184252479).

2412343321021 is an equidigital number, since it uses as much as digits as its factorization.

2412343321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83184252478.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2412343321021 its reverse (1201233432142), we get a palindrome (3613576753163).

The spelling of 2412343321021 in words is "two trillion, four hundred twelve billion, three hundred forty-three million, three hundred twenty-one thousand, twenty-one".