12564152476 has 6 divisors (see below), whose sum is σ = 21987266840. Its totient is φ = 6282076236.

The previous prime is 12564152459. The next prime is 12564152501. The reversal of 12564152476 is 67425146521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570519056 + ... + 1570519063.

Almost surely, 2^12564152476 is an apocalyptic number.

It is an amenable number.

12564152476 is a deficient number, since it is larger than the sum of its proper divisors (9423114364).

12564152476 is a wasteful number, since it uses less digits than its factorization.

12564152476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141038123 (or 3141038121 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

Adding to 12564152476 its reverse (67425146521), we get a palindrome (79989298997).

The spelling of 12564152476 in words is "twelve billion, five hundred sixty-four million, one hundred fifty-two thousand, four hundred seventy-six".