12243020311 has 8 divisors (see below), whose sum is σ = 12614192144. Its totient is φ = 11877347520.

The previous prime is 12243020261. The next prime is 12243020341. The reversal of 12243020311 is 11302034221.

It is a happy number.

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 12243020311 - 2¹⁵ = 12242987543 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 (12243020341) 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, 1370241 + ... + 1379146.

It is an arithmetic number, because the mean of its divisors is an integer number (1576774018).

Almost surely, 2^12243020311 is an apocalyptic number.

12243020311 is a deficient number, since it is larger than the sum of its proper divisors (371171833).

12243020311 is an equidigital number, since it uses as much as digits as its factorization.

12243020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749521.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12243020311 its reverse (11302034221), we get a palindrome (23545054532).

The spelling of 12243020311 in words is "twelve billion, two hundred forty-three million, twenty thousand, three hundred eleven".