12730769212 has 18 divisors (see below), whose sum is σ = 25462732568. Its totient is φ = 5455788072.

The previous prime is 12730769201. The next prime is 12730769213. The reversal of 12730769212 is 21296703721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730769213) 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 5 ways as a sum of consecutive naturals, for example, 586383 + ... + 607705.

Almost surely, 2^12730769212 is an apocalyptic number.

It is an amenable number.

12730769212 is an abundant number, since it is smaller than the sum of its proper divisors (12731963356).

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

12730769212 is an frugal number, since it uses more digits than its factorization.

12730769212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42657 (or 21332 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 12730769212 in words is "twelve billion, seven hundred thirty million, seven hundred sixty-nine thousand, two hundred twelve".