12311121104 has 20 divisors (see below), whose sum is σ = 24154733760. Its totient is φ = 6077641440.

The previous prime is 12311121103. The next prime is 12311121107. The reversal of 12311121104 is 40112111321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311121101) 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, 4868642 + ... + 4871169.

It is an arithmetic number, because the mean of its divisors is an integer number (1207736688).

Almost surely, 2^12311121104 is an apocalyptic number.

It is an amenable number.

12311121104 is a deficient number, since it is larger than the sum of its proper divisors (11843612656).

12311121104 is an equidigital number, since it uses as much as digits as its factorization.

12311121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739898 (or 9739892 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12311121104 its reverse (40112111321), we get a palindrome (52423232425).

The spelling of 12311121104 in words is "twelve billion, three hundred eleven million, one hundred twenty-one thousand, one hundred four".