12205233413 has 4 divisors (see below), whose sum is σ = 12205562688. Its totient is φ = 12204904140.

The previous prime is 12205233407. The next prime is 12205233463. The reversal of 12205233413 is 31433250221.

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: 31433250221 = 8761 ⋅3587861.

It is a cyclic number.

It is not a de Polignac number, because 12205233413 - 2⁶ = 12205233349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205233463) 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, 100781 + ... + 185922.

It is an arithmetic number, because the mean of its divisors is an integer number (3051390672).

Almost surely, 2^12205233413 is an apocalyptic number.

It is an amenable number.

12205233413 is a deficient number, since it is larger than the sum of its proper divisors (329275).

12205233413 is an equidigital number, since it uses as much as digits as its factorization.

12205233413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329274.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12205233413 its reverse (31433250221), we get a palindrome (43638483634).

The spelling of 12205233413 in words is "twelve billion, two hundred five million, two hundred thirty-three thousand, four hundred thirteen".