12454212556 has 12 divisors (see below), whose sum is σ = 21928583992. Its totient is φ = 6188902848.

The previous prime is 12454212527. The next prime is 12454212577. The reversal of 12454212556 is 65521245421.

12454212556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9550125 + ... + 9551428.

Almost surely, 2^12454212556 is an apocalyptic number.

It is an amenable number.

12454212556 is a deficient number, since it is larger than the sum of its proper divisors (9474371436).

12454212556 is a wasteful number, since it uses less digits than its factorization.

12454212556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19101720 (or 19101718 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

Adding to 12454212556 its reverse (65521245421), we get a palindrome (77975457977).

The spelling of 12454212556 in words is "twelve billion, four hundred fifty-four million, two hundred twelve thousand, five hundred fifty-six".