20012012099711 has 2 divisors, whose sum is σ = 20012012099712. Its totient is φ = 20012012099710.

The previous prime is 20012012099689. The next prime is 20012012099713. The reversal of 20012012099711 is 11799021021002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20012012099711 is a prime.

Together with 20012012099713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012012099713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006006049855 + 10006006049856.

It is an arithmetic number, because the mean of its divisors is an integer number (10006006049856).

Almost surely, 2^{20012012099711} is an apocalyptic number.

20012012099711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012012099711 is an equidigital number, since it uses as much as digits as its factorization.

20012012099711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 20012012099711 in words is "twenty trillion, twelve billion, twelve million, ninety-nine thousand, seven hundred eleven".