1242323211413 has 4 divisors (see below), whose sum is σ = 1242338510700. Its totient is φ = 1242307912128.

The previous prime is 1242323211343. The next prime is 1242323211431. The reversal of 1242323211413 is 3141123232421.

It is a happy number.

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 607804225924 + 634518985489 = 779618^2 + 796567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242323211413 - 2²⁴ = 1242306434197 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 (1242323211443) 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 3 ways as a sum of consecutive naturals, for example, 7527188 + ... + 7690461.

It is an arithmetic number, because the mean of its divisors is an integer number (310584627675).

Almost surely, 2^{1242323211413} is an apocalyptic number.

It is an amenable number.

1242323211413 is a deficient number, since it is larger than the sum of its proper divisors (15299287).

1242323211413 is an equidigital number, since it uses as much as digits as its factorization.

1242323211413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15299286.

The product of its digits is 6912, while the sum is 29.

Adding to 1242323211413 its reverse (3141123232421), we get a palindrome (4383446443834).

The spelling of 1242323211413 in words is "one trillion, two hundred forty-two billion, three hundred twenty-three million, two hundred eleven thousand, four hundred thirteen".