12720856952711 has 8 divisors (see below), whose sum is σ = 13131755739648. Its totient is φ = 12309992451000.

The previous prime is 12720856952701. The next prime is 12720856952737. The reversal of 12720856952711 is 11725965802721.

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

It is a cyclic number.

It is not a de Polignac number, because 12720856952711 - 2¹⁴ = 12720856936327 is a prime.

It is a super-2 number, since 2×12720856952711² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12720856952701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7816205 + ... + 9302406.

It is an arithmetic number, because the mean of its divisors is an integer number (1641469467456).

Almost surely, 2^{12720856952711} is an apocalyptic number.

12720856952711 is a deficient number, since it is larger than the sum of its proper divisors (410898786937).

12720856952711 is a wasteful number, since it uses less digits than its factorization.

12720856952711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17142613.

The product of its (nonzero) digits is 4233600, while the sum is 56.

The spelling of 12720856952711 in words is "twelve trillion, seven hundred twenty billion, eight hundred fifty-six million, nine hundred fifty-two thousand, seven hundred eleven".