12342134122 has 4 divisors (see below), whose sum is σ = 18513201186. Its totient is φ = 6171067060.

The previous prime is 12342134117. The next prime is 12342134131. The reversal of 12342134122 is 22143124321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22143124321 = 683 ⋅32420387.

It can be written as a sum of positive squares in only one way, i.e., 10518758721 + 1823375401 = 102561^2 + 42701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085533529 + ... + 3085533532.

Almost surely, 2^12342134122 is an apocalyptic number.

12342134122 is a deficient number, since it is larger than the sum of its proper divisors (6171067064).

12342134122 is an equidigital number, since it uses as much as digits as its factorization.

12342134122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171067063.

The product of its digits is 2304, while the sum is 25.

Adding to 12342134122 its reverse (22143124321), we get a palindrome (34485258443).

The spelling of 12342134122 in words is "twelve billion, three hundred forty-two million, one hundred thirty-four thousand, one hundred twenty-two".