212100775967 has 2 divisors, whose sum is σ = 212100775968. Its totient is φ = 212100775966.

The previous prime is 212100775907. The next prime is 212100775973. The reversal of 212100775967 is 769577001212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212100775967 - 2¹⁴ = 212100759583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212100775907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050387983 + 106050387984.

It is an arithmetic number, because the mean of its divisors is an integer number (106050387984).

Almost surely, 2^212100775967 is an apocalyptic number.

212100775967 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100775967 is an equidigital number, since it uses as much as digits as its factorization.

212100775967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 47.

The spelling of 212100775967 in words is "two hundred twelve billion, one hundred million, seven hundred seventy-five thousand, nine hundred sixty-seven".