12642002354 has 16 divisors (see below), whose sum is σ = 19094040576. Its totient is φ = 6277432800.

The previous prime is 12642002353. The next prime is 12642002381. The reversal of 12642002354 is 45320024621.

12642002354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12642002353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204614 + ... + 259134.

It is an arithmetic number, because the mean of its divisors is an integer number (1193377536).

Almost surely, 2^12642002354 is an apocalyptic number.

12642002354 is a deficient number, since it is larger than the sum of its proper divisors (6452038222).

12642002354 is a wasteful number, since it uses less digits than its factorization.

12642002354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55321.

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

Adding to 12642002354 its reverse (45320024621), we get a palindrome (57962026975).

The spelling of 12642002354 in words is "twelve billion, six hundred forty-two million, two thousand, three hundred fifty-four".