12730264378 has 8 divisors (see below), whose sum is σ = 20564273268. Its totient is φ = 5875506624.

The previous prime is 12730264333. The next prime is 12730264441. The reversal of 12730264378 is 87346203721.

It can be written as a sum of positive squares in 2 ways, for example, as 12711886009 + 18378369 = 112747^2 + 4287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12730264378² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 244812751 + ... + 244812802.

Almost surely, 2^12730264378 is an apocalyptic number.

12730264378 is a deficient number, since it is larger than the sum of its proper divisors (7834008890).

12730264378 is a wasteful number, since it uses less digits than its factorization.

12730264378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489625568.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 12730264378 in words is "twelve billion, seven hundred thirty million, two hundred sixty-four thousand, three hundred seventy-eight".