120212021959 has 2 divisors, whose sum is σ = 120212021960. Its totient is φ = 120212021958.

The previous prime is 120212021957. The next prime is 120212021999. The reversal of 120212021959 is 959120212021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120212021959 - 2¹ = 120212021957 is a prime.

Together with 120212021957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212021957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106010979 + 60106010980.

It is an arithmetic number, because the mean of its divisors is an integer number (60106010980).

Almost surely, 2^120212021959 is an apocalyptic number.

120212021959 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212021959 is an equidigital number, since it uses as much as digits as its factorization.

120212021959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 120212021959 in words is "one hundred twenty billion, two hundred twelve million, twenty-one thousand, nine hundred fifty-nine".