12720620411 has 2 divisors, whose sum is σ = 12720620412. Its totient is φ = 12720620410.

The previous prime is 12720620399. The next prime is 12720620431. The reversal of 12720620411 is 11402602721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12720620411 - 2²⁶ = 12653511547 is a prime.

It is not a weakly prime, because it can be changed into another prime (12720620431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6360310205 + 6360310206.

It is an arithmetic number, because the mean of its divisors is an integer number (6360310206).

Almost surely, 2^12720620411 is an apocalyptic number.

12720620411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12720620411 is an equidigital number, since it uses as much as digits as its factorization.

12720620411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 12720620411 in words is "twelve billion, seven hundred twenty million, six hundred twenty thousand, four hundred eleven".