12764243205 has 96 divisors (see below), whose sum is σ = 25983659520. Its totient is φ = 5674844160.

The previous prime is 12764243197. The next prime is 12764243209. The reversal of 12764243205 is 50234246721.

12764243205 is a `hidden beast` number, since 1 + 2 + 7 + 642 + 4 + 3 + 2 + 0 + 5 = 666.

It is not a de Polignac number, because 12764243205 - 2³ = 12764243197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12764243205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12764243209) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4635109 + ... + 4637861.

It is an arithmetic number, because the mean of its divisors is an integer number (270663120).

Almost surely, 2^12764243205 is an apocalyptic number.

12764243205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12764243205 is an abundant number, since it is smaller than the sum of its proper divisors (13219416315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12764243205 is a wasteful number, since it uses less digits than its factorization.

12764243205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171 (or 3168 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 12764243205 its reverse (50234246721), we get a palindrome (62998489926).

The spelling of 12764243205 in words is "twelve billion, seven hundred sixty-four million, two hundred forty-three thousand, two hundred five".