12426552415042 has 16 divisors (see below), whose sum is σ = 18991953204480. Its totient is φ = 6095906651952.

The previous prime is 12426552415009. The next prime is 12426552415073. The reversal of 12426552415042 is 24051425562421.

It is a self number, because there is not a number n which added to its sum of digits gives 12426552415042.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3461893 + ... + 6069415.

It is an arithmetic number, because the mean of its divisors is an integer number (1186997075280).

Almost surely, 2^{12426552415042} is an apocalyptic number.

12426552415042 is a deficient number, since it is larger than the sum of its proper divisors (6565400789438).

12426552415042 is a wasteful number, since it uses less digits than its factorization.

12426552415042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652537.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 12426552415042 its reverse (24051425562421), we get a palindrome (36477977977463).

The spelling of 12426552415042 in words is "twelve trillion, four hundred twenty-six billion, five hundred fifty-two million, four hundred fifteen thousand, forty-two".