12112311342434 has 16 divisors (see below), whose sum is σ = 18203798279160. Its totient is φ = 6044379169920.

The previous prime is 12112311342433. The next prime is 12112311342511. The reversal of 12112311342434 is 43424311321121.

It can be written as a sum of positive squares in 4 ways, for example, as 10489197122209 + 1623114220225 = 3238703^2 + 1274015^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12112311342434.

It is not an unprimeable number, because it can be changed into a prime (12112311342433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49156412 + ... + 49402200.

Almost surely, 2^{12112311342434} is an apocalyptic number.

12112311342434 is a deficient number, since it is larger than the sum of its proper divisors (6091486936726).

12112311342434 is a wasteful number, since it uses less digits than its factorization.

12112311342434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293605.

The product of its digits is 13824, while the sum is 32.

Adding to 12112311342434 its reverse (43424311321121), we get a palindrome (55536622663555).

The spelling of 12112311342434 in words is "twelve trillion, one hundred twelve billion, three hundred eleven million, three hundred forty-two thousand, four hundred thirty-four".