120200211997 has 2 divisors, whose sum is σ = 120200211998. Its totient is φ = 120200211996.

The previous prime is 120200211953. The next prime is 120200212039. The reversal of 120200211997 is 799112002021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115201863396 + 4998348601 = 339414^2 + 70699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120200211997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120200211097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100105998 + 60100105999.

It is an arithmetic number, because the mean of its divisors is an integer number (60100105999).

Almost surely, 2^120200211997 is an apocalyptic number.

It is an amenable number.

120200211997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120200211997 is an equidigital number, since it uses as much as digits as its factorization.

120200211997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 120200211997 in words is "one hundred twenty billion, two hundred million, two hundred eleven thousand, nine hundred ninety-seven".