12730359699 has 24 divisors (see below), whose sum is σ = 18883405632. Its totient is φ = 8260392960.

The previous prime is 12730359683. The next prime is 12730359737. The reversal of 12730359699 is 99695303721.

It is a happy number.

12730359699 is a `hidden beast` number, since 12 + 7 + 30 + 3 + 596 + 9 + 9 = 666.

It is not a de Polignac number, because 12730359699 - 2⁴ = 12730359683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12730359659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6574 + ... + 159699.

It is an arithmetic number, because the mean of its divisors is an integer number (786808568).

Almost surely, 2^12730359699 is an apocalyptic number.

12730359699 is a deficient number, since it is larger than the sum of its proper divisors (6153045933).

12730359699 is a wasteful number, since it uses less digits than its factorization.

12730359699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166507 (or 166504 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The spelling of 12730359699 in words is "twelve billion, seven hundred thirty million, three hundred fifty-nine thousand, six hundred ninety-nine".