212000210969 has 2 divisors, whose sum is σ = 212000210970. Its totient is φ = 212000210968.

The previous prime is 212000210953. The next prime is 212000211011. The reversal of 212000210969 is 969012000212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133544200969 + 78456010000 = 365437^2 + 280100^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000210969 - 2⁴ = 212000210953 is a prime.

It is a super-2 number, since 2×212000210969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212000210069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000105484 + 106000105485.

It is an arithmetic number, because the mean of its divisors is an integer number (106000105485).

Almost surely, 2^212000210969 is an apocalyptic number.

It is an amenable number.

212000210969 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000210969 is an equidigital number, since it uses as much as digits as its factorization.

212000210969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 212000210969 in words is "two hundred twelve billion, two hundred ten thousand, nine hundred sixty-nine".