12243001213 has 4 divisors (see below), whose sum is σ = 12637936768. Its totient is φ = 11848065660.

The previous prime is 12243001201. The next prime is 12243001241. The reversal of 12243001213 is 31210034221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31210034221 = 1087 ⋅28712083.

It is a cyclic number.

It is not a de Polignac number, because 12243001213 - 2³³ = 3653066621 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 (12243001613) 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, 197467731 + ... + 197467792.

It is an arithmetic number, because the mean of its divisors is an integer number (3159484192).

Almost surely, 2^12243001213 is an apocalyptic number.

It is an amenable number.

12243001213 is a deficient number, since it is larger than the sum of its proper divisors (394935555).

12243001213 is an equidigital number, since it uses as much as digits as its factorization.

12243001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394935554.

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

Adding to 12243001213 its reverse (31210034221), we get a palindrome (43453035434).

The spelling of 12243001213 in words is "twelve billion, two hundred forty-three million, one thousand, two hundred thirteen".