12730307434 has 32 divisors (see below), whose sum is σ = 20846839104. Its totient is φ = 5795051520.

The previous prime is 12730307371. The next prime is 12730307437. The reversal of 12730307434 is 43470303721.

It is a self number, because there is not a number n which added to its sum of digits gives 12730307434.

It is not an unprimeable number, because it can be changed into a prime (12730307437) 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, 1378677 + ... + 1387879.

It is an arithmetic number, because the mean of its divisors is an integer number (651463722).

Almost surely, 2^12730307434 is an apocalyptic number.

12730307434 is a deficient number, since it is larger than the sum of its proper divisors (8116531670).

12730307434 is a wasteful number, since it uses less digits than its factorization.

12730307434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942.

The product of its (nonzero) digits is 42336, while the sum is 34.

The spelling of 12730307434 in words is "twelve billion, seven hundred thirty million, three hundred seven thousand, four hundred thirty-four".