12260203427 has 4 divisors (see below), whose sum is σ = 12299373720. Its totient is φ = 12221033136.

The previous prime is 12260203399. The next prime is 12260203433. The reversal of 12260203427 is 72430206221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12260203427 - 2¹⁸ = 12259941283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12260203427.

It is not an unprimeable number, because it can be changed into a prime (12260203447) 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, 19584677 + ... + 19585302.

It is an arithmetic number, because the mean of its divisors is an integer number (3074843430).

Almost surely, 2^12260203427 is an apocalyptic number.

12260203427 is a deficient number, since it is larger than the sum of its proper divisors (39170293).

12260203427 is an equidigital number, since it uses as much as digits as its factorization.

12260203427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39170292.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 12260203427 its reverse (72430206221), we get a palindrome (84690409648).

The spelling of 12260203427 in words is "twelve billion, two hundred sixty million, two hundred three thousand, four hundred twenty-seven".