200120999963 has 2 divisors, whose sum is σ = 200120999964. Its totient is φ = 200120999962.

The previous prime is 200120999957. The next prime is 200121000011. The reversal of 200120999963 is 369999021002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200120999963 - 2¹⁶ = 200120934427 is a prime.

It is not a weakly prime, because it can be changed into another prime (200120999563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060499981 + 100060499982.

It is an arithmetic number, because the mean of its divisors is an integer number (100060499982).

Almost surely, 2^200120999963 is an apocalyptic number.

200120999963 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120999963 is an equidigital number, since it uses as much as digits as its factorization.

200120999963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 50.

The spelling of 200120999963 in words is "two hundred billion, one hundred twenty million, nine hundred ninety-nine thousand, nine hundred sixty-three".