13122452342 has 4 divisors (see below), whose sum is σ = 19683678516. Its totient is φ = 6561226170.

The previous prime is 13122452327. The next prime is 13122452347. The reversal of 13122452342 is 24325422131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24325422131 = 47 ⋅517562173.

It is a super-2 number, since 2×13122452342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122452347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280613084 + ... + 3280613087.

It is an arithmetic number, because the mean of its divisors is an integer number (4920919629).

Almost surely, 2^13122452342 is an apocalyptic number.

13122452342 is a deficient number, since it is larger than the sum of its proper divisors (6561226174).

13122452342 is an equidigital number, since it uses as much as digits as its factorization.

13122452342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561226173.

The product of its digits is 11520, while the sum is 29.

Adding to 13122452342 its reverse (24325422131), we get a palindrome (37447874473).

The spelling of 13122452342 in words is "thirteen billion, one hundred twenty-two million, four hundred fifty-two thousand, three hundred forty-two".