212089699 has 2 divisors, whose sum is σ = 212089700. Its totient is φ = 212089698.

The previous prime is 212089687. The next prime is 212089733. The reversal of 212089699 is 996980212.

212089699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212089699 is a prime.

It is not a weakly prime, because it can be changed into another prime (212080699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106044849 + 106044850.

It is an arithmetic number, because the mean of its divisors is an integer number (106044850).

Almost surely, 2^212089699 is an apocalyptic number.

212089699 is a deficient number, since it is larger than the sum of its proper divisors (1).

212089699 is an equidigital number, since it uses as much as digits as its factorization.

212089699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 212089699 is about 14563.2997291136. The cubic root of 212089699 is about 596.3572800005.

It can be divided in two parts, 2120 and 89699, that added together give a palindrome (91819).

The spelling of 212089699 in words is "two hundred twelve million, eighty-nine thousand, six hundred ninety-nine".