12478705334 has 8 divisors (see below), whose sum is σ = 18781943040. Its totient is φ = 6218057656.

The previous prime is 12478705333. The next prime is 12478705339. The reversal of 12478705334 is 43350787421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478705331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10646774 + ... + 10647945.

It is an arithmetic number, because the mean of its divisors is an integer number (2347742880).

Almost surely, 2^12478705334 is an apocalyptic number.

12478705334 is a deficient number, since it is larger than the sum of its proper divisors (6303237706).

12478705334 is a wasteful number, since it uses less digits than its factorization.

12478705334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295014.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 12478705334 in words is "twelve billion, four hundred seventy-eight million, seven hundred five thousand, three hundred thirty-four".