212344668699 has 16 divisors (see below), whose sum is σ = 288514828800. Its totient is φ = 138869673696.

The previous prime is 212344668647. The next prime is 212344668703. The reversal of 212344668699 is 996866443212.

It is not a de Polignac number, because 212344668699 - 2²⁷ = 212210450971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212344668199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909582 + ... + 1118940.

It is an arithmetic number, because the mean of its divisors is an integer number (18032176800).

Almost surely, 2^212344668699 is an apocalyptic number.

212344668699 is a deficient number, since it is larger than the sum of its proper divisors (76170160101).

212344668699 is a wasteful number, since it uses less digits than its factorization.

212344668699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215794.

The product of its digits is 26873856, while the sum is 60.

The spelling of 212344668699 in words is "two hundred twelve billion, three hundred forty-four million, six hundred sixty-eight thousand, six hundred ninety-nine".