12542422351 has 2 divisors, whose sum is σ = 12542422352. Its totient is φ = 12542422350.

The previous prime is 12542422349. The next prime is 12542422357. The reversal of 12542422351 is 15322424521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12542422351 - 2¹ = 12542422349 is a prime.

Together with 12542422349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12542422357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271211175 + 6271211176.

It is an arithmetic number, because the mean of its divisors is an integer number (6271211176).

Almost surely, 2^12542422351 is an apocalyptic number.

12542422351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542422351 is an equidigital number, since it uses as much as digits as its factorization.

12542422351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

Adding to 12542422351 its reverse (15322424521), we get a palindrome (27864846872).

The spelling of 12542422351 in words is "twelve billion, five hundred forty-two million, four hundred twenty-two thousand, three hundred fifty-one".