120021209983 has 2 divisors, whose sum is σ = 120021209984. Its totient is φ = 120021209982.

The previous prime is 120021209951. The next prime is 120021209989. The reversal of 120021209983 is 389902120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120021209983 - 2⁵ = 120021209951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021209989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010604991 + 60010604992.

It is an arithmetic number, because the mean of its divisors is an integer number (60010604992).

Almost surely, 2^120021209983 is an apocalyptic number.

120021209983 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021209983 is an equidigital number, since it uses as much as digits as its factorization.

120021209983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 120021209983 in words is "one hundred twenty billion, twenty-one million, two hundred nine thousand, nine hundred eighty-three".