12113121301 has 4 divisors (see below), whose sum is σ = 12119939692. Its totient is φ = 12106302912.

The previous prime is 12113121269. The next prime is 12113121311. The reversal of 12113121301 is 10312131121.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9880558801 + 2232562500 = 99401^2 + 47250^2 .

It is a cyclic number.

It is not a de Polignac number, because 12113121301 - 2⁵ = 12113121269 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 (12113121311) 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, 3406530 + ... + 3410083.

It is an arithmetic number, because the mean of its divisors is an integer number (3029984923).

Almost surely, 2^12113121301 is an apocalyptic number.

It is an amenable number.

12113121301 is a deficient number, since it is larger than the sum of its proper divisors (6818391).

12113121301 is an equidigital number, since it uses as much as digits as its factorization.

12113121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818390.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12113121301 its reverse (10312131121), we get a palindrome (22425252422).

The spelling of 12113121301 in words is "twelve billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred one".