12739219402 has 16 divisors (see below), whose sum is σ = 23518559232. Its totient is φ = 5039691120.

The previous prime is 12739219373. The next prime is 12739219403. The reversal of 12739219402 is 20491293721.

It is not an unprimeable number, because it can be changed into a prime (12739219403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34997674 + ... + 34998037.

It is an arithmetic number, because the mean of its divisors is an integer number (1469909952).

Almost surely, 2^12739219402 is an apocalyptic number.

12739219402 is a deficient number, since it is larger than the sum of its proper divisors (10779339830).

12739219402 is a wasteful number, since it uses less digits than its factorization.

12739219402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69995733.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 12739219402 in words is "twelve billion, seven hundred thirty-nine million, two hundred nineteen thousand, four hundred two".