12730403442 has 32 divisors (see below), whose sum is σ = 26118100800. Its totient is φ = 4134412800.

The previous prime is 12730403417. The next prime is 12730403459. The reversal of 12730403442 is 24430403721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41934 + ... + 164982.

It is an arithmetic number, because the mean of its divisors is an integer number (816190650).

Almost surely, 2^12730403442 is an apocalyptic number.

12730403442 is an abundant number, since it is smaller than the sum of its proper divisors (13387697358).

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

12730403442 is a wasteful number, since it uses less digits than its factorization.

12730403442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123498.

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 12730403442 in words is "twelve billion, seven hundred thirty million, four hundred three thousand, four hundred forty-two".