12204531263 has 4 divisors (see below), whose sum is σ = 12404605608. Its totient is φ = 12004456920.

The previous prime is 12204531253. The next prime is 12204531323. The reversal of 12204531263 is 36213540221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36213540221 = 36067 ⋅1004063.

It is a cyclic number.

It is not a de Polignac number, because 12204531263 - 2⁴ = 12204531247 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 (12204531253) 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, 100037081 + ... + 100037202.

It is an arithmetic number, because the mean of its divisors is an integer number (3101151402).

Almost surely, 2^12204531263 is an apocalyptic number.

12204531263 is a deficient number, since it is larger than the sum of its proper divisors (200074345).

12204531263 is an equidigital number, since it uses as much as digits as its factorization.

12204531263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200074344.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 12204531263 in words is "twelve billion, two hundred four million, five hundred thirty-one thousand, two hundred sixty-three".