12113203201 has 4 divisors (see below), whose sum is σ = 13214403504. Its totient is φ = 11012002900.

The previous prime is 12113203129. The next prime is 12113203237. The reversal of 12113203201 is 10230231121.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12113203201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12113201201) 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, 550600135 + ... + 550600156.

It is an arithmetic number, because the mean of its divisors is an integer number (3303600876).

Almost surely, 2^12113203201 is an apocalyptic number.

12113203201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12113203201 is a deficient number, since it is larger than the sum of its proper divisors (1101200303).

12113203201 is a wasteful number, since it uses less digits than its factorization.

12113203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101200302.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12113203201 its reverse (10230231121), we get a palindrome (22343434322).

The spelling of 12113203201 in words is "twelve billion, one hundred thirteen million, two hundred three thousand, two hundred one".