120212199971 has 2 divisors, whose sum is σ = 120212199972. Its totient is φ = 120212199970.

The previous prime is 120212199959. The next prime is 120212199973. The reversal of 120212199971 is 179991212021.

It is a strong prime.

It is an emirp because it is prime and its reverse (179991212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120212199971 - 2¹⁰ = 120212198947 is a prime.

Together with 120212199973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120212199973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106099985 + 60106099986.

It is an arithmetic number, because the mean of its divisors is an integer number (60106099986).

Almost surely, 2^120212199971 is an apocalyptic number.

120212199971 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212199971 is an equidigital number, since it uses as much as digits as its factorization.

120212199971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 120212199971 in words is "one hundred twenty billion, two hundred twelve million, one hundred ninety-nine thousand, nine hundred seventy-one".