12505048466 has 16 divisors (see below), whose sum is σ = 19079794080. Its totient is φ = 6145164960.

The previous prime is 12505048447. The next prime is 12505048477. The reversal of 12505048466 is 66484050521.

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, 686861 + ... + 704831.

It is an arithmetic number, because the mean of its divisors is an integer number (1192487130).

Almost surely, 2^12505048466 is an apocalyptic number.

12505048466 is a deficient number, since it is larger than the sum of its proper divisors (6574745614).

12505048466 is a wasteful number, since it uses less digits than its factorization.

12505048466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23929.

The product of its (nonzero) digits is 230400, while the sum is 41.

Adding to 12505048466 its reverse (66484050521), we get a palindrome (78989098987).

The spelling of 12505048466 in words is "twelve billion, five hundred five million, forty-eight thousand, four hundred sixty-six".