12342432051 has 32 divisors (see below), whose sum is σ = 18390335040. Its totient is φ = 8181043200.

The previous prime is 12342431909. The next prime is 12342432071. The reversal of 12342432051 is 15023424321.

It is not a de Polignac number, because 12342432051 - 2¹¹ = 12342430003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12342432071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5731591 + ... + 5733743.

It is an arithmetic number, because the mean of its divisors is an integer number (574697970).

Almost surely, 2^12342432051 is an apocalyptic number.

12342432051 is a deficient number, since it is larger than the sum of its proper divisors (6047902989).

12342432051 is a wasteful number, since it uses less digits than its factorization.

12342432051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12342432051 its reverse (15023424321), we get a palindrome (27365856372).

The spelling of 12342432051 in words is "twelve billion, three hundred forty-two million, four hundred thirty-two thousand, fifty-one".