12031114405 has 4 divisors (see below), whose sum is σ = 14437337292. Its totient is φ = 9624891520.

The previous prime is 12031114397. The next prime is 12031114409. The reversal of 12031114405 is 50441113021.

12031114405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3481708036 + 8549406369 = 59006^2 + 92463^2 .

It is not a de Polignac number, because 12031114405 - 2³ = 12031114397 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 (12031114409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203111436 + ... + 1203111445.

It is an arithmetic number, because the mean of its divisors is an integer number (3609334323).

Almost surely, 2^12031114405 is an apocalyptic number.

It is an amenable number.

12031114405 is a deficient number, since it is larger than the sum of its proper divisors (2406222887).

12031114405 is an equidigital number, since it uses as much as digits as its factorization.

12031114405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406222886.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 12031114405 its reverse (50441113021), we get a palindrome (62472227426).

The spelling of 12031114405 in words is "twelve billion, thirty-one million, one hundred fourteen thousand, four hundred five".