12958768285 has 8 divisors (see below), whose sum is σ = 15551383896. Its totient is φ = 10366440000.

The previous prime is 12958768283. The next prime is 12958768327. The reversal of 12958768285 is 58286785921.

It can be written as a sum of positive squares in 4 ways, for example, as 1980339001 + 10978429284 = 44501^2 + 104778^2 .

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

It is not a de Polignac number, because 12958768285 - 2¹ = 12958768283 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 (12958768283) 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, 44535 + ... + 167035.

It is an arithmetic number, because the mean of its divisors is an integer number (1943922987).

Almost surely, 2^12958768285 is an apocalyptic number.

It is an amenable number.

12958768285 is a deficient number, since it is larger than the sum of its proper divisors (2592615611).

12958768285 is a wasteful number, since it uses less digits than its factorization.

12958768285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143663.

The product of its digits is 19353600, while the sum is 61.

The spelling of 12958768285 in words is "twelve billion, nine hundred fifty-eight million, seven hundred sixty-eight thousand, two hundred eighty-five".