212201966563 has 2 divisors, whose sum is σ = 212201966564. Its totient is φ = 212201966562.

The previous prime is 212201966533. The next prime is 212201966609. The reversal of 212201966563 is 365669102212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212201966563 - 2⁵ = 212201966531 is a prime.

It is a super-2 number, since 2×212201966563² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212201966533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100983281 + 106100983282.

It is an arithmetic number, because the mean of its divisors is an integer number (106100983282).

Almost surely, 2^212201966563 is an apocalyptic number.

212201966563 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201966563 is an equidigital number, since it uses as much as digits as its factorization.

212201966563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 212201966563 in words is "two hundred twelve billion, two hundred one million, nine hundred sixty-six thousand, five hundred sixty-three".