12720221714 has 8 divisors (see below), whose sum is σ = 19909912320. Its totient is φ = 6083584276.

The previous prime is 12720221711. The next prime is 12720221837. The reversal of 12720221714 is 41712202721.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12720221711) 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, 138263234 + ... + 138263325.

It is an arithmetic number, because the mean of its divisors is an integer number (2488739040).

Almost surely, 2^12720221714 is an apocalyptic number.

12720221714 is a deficient number, since it is larger than the sum of its proper divisors (7189690606).

12720221714 is a wasteful number, since it uses less digits than its factorization.

12720221714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276526584.

The product of its (nonzero) digits is 3136, while the sum is 29.

The spelling of 12720221714 in words is "twelve billion, seven hundred twenty million, two hundred twenty-one thousand, seven hundred fourteen".