12512651333 has 24 divisors (see below), whose sum is σ = 15777047808. Its totient is φ = 9713276352.

The previous prime is 12512651311. The next prime is 12512651357. The reversal of 12512651333 is 33315621521.

It is not a de Polignac number, because 12512651333 - 2¹² = 12512647237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12512651333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512651363) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 37085 + ... + 162482.

It is an arithmetic number, because the mean of its divisors is an integer number (657376992).

Almost surely, 2^12512651333 is an apocalyptic number.

12512651333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12512651333 is a deficient number, since it is larger than the sum of its proper divisors (3264396475).

12512651333 is a wasteful number, since it uses less digits than its factorization.

12512651333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199653 (or 199640 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The spelling of 12512651333 in words is "twelve billion, five hundred twelve million, six hundred fifty-one thousand, three hundred thirty-three".