12861730362 has 32 divisors (see below), whose sum is σ = 27888134400. Its totient is φ = 3930891840.

The previous prime is 12861730361. The next prime is 12861730393. The reversal of 12861730362 is 26303716821.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12861730362.

It is not an unprimeable number, because it can be changed into a prime (12861730361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541714 + ... + 564957.

It is an arithmetic number, because the mean of its divisors is an integer number (871504200).

Almost surely, 2^12861730362 is an apocalyptic number.

12861730362 is an abundant number, since it is smaller than the sum of its proper divisors (15026404038).

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

12861730362 is a wasteful number, since it uses less digits than its factorization.

12861730362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106838.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 12861730362 in words is "twelve billion, eight hundred sixty-one million, seven hundred thirty thousand, three hundred sixty-two".