12454123564 has 12 divisors (see below), whose sum is σ = 21801904488. Its totient is φ = 6225008000.

The previous prime is 12454123531. The next prime is 12454123571. The reversal of 12454123564 is 46532145421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499762 + ... + 524089.

It is an arithmetic number, because the mean of its divisors is an integer number (1816825374).

Almost surely, 2^12454123564 is an apocalyptic number.

It is an amenable number.

12454123564 is a deficient number, since it is larger than the sum of its proper divisors (9347780924).

12454123564 is a wasteful number, since it uses less digits than its factorization.

12454123564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026896 (or 1026894 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

Adding to 12454123564 its reverse (46532145421), we get a palindrome (58986268985).

The spelling of 12454123564 in words is "twelve billion, four hundred fifty-four million, one hundred twenty-three thousand, five hundred sixty-four".