12985262533 has 8 divisors (see below), whose sum is σ = 13081528800. Its totient is φ = 12889240368.

The previous prime is 12985262531. The next prime is 12985262551. The reversal of 12985262533 is 33526258921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12985262533 - 2¹ = 12985262531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12985262531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46458 + ... + 167716.

It is an arithmetic number, because the mean of its divisors is an integer number (1635191100).

Almost surely, 2^12985262533 is an apocalyptic number.

It is an amenable number.

12985262533 is a deficient number, since it is larger than the sum of its proper divisors (96266267).

12985262533 is a wasteful number, since it uses less digits than its factorization.

12985262533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122051.

The product of its digits is 777600, while the sum is 46.

The spelling of 12985262533 in words is "twelve billion, nine hundred eighty-five million, two hundred sixty-two thousand, five hundred thirty-three".