200120212049 has 2 divisors, whose sum is σ = 200120212050. Its totient is φ = 200120212048.

The previous prime is 200120211971. The next prime is 200120212051. The reversal of 200120212049 is 940212021002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125293345024 + 74826867025 = 353968^2 + 273545^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120212049 - 2²⁰ = 200119163473 is a prime.

Together with 200120212051, 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 (200120212069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060106024 + 100060106025.

It is an arithmetic number, because the mean of its divisors is an integer number (100060106025).

Almost surely, 2^200120212049 is an apocalyptic number.

It is an amenable number.

200120212049 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120212049 is an equidigital number, since it uses as much as digits as its factorization.

200120212049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 200120212049 in words is "two hundred billion, one hundred twenty million, two hundred twelve thousand, forty-nine".