212704299 has 80 divisors (see below), whose sum is σ = 356843520. Its totient is φ = 125737920.

The previous prime is 212704291. The next prime is 212704319. The reversal of 212704299 is 992407212.

It is not a de Polignac number, because 212704299 - 2³ = 212704291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212704291) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1674774 + ... + 1674900.

It is an arithmetic number, because the mean of its divisors is an integer number (4460544).

Almost surely, 2^212704299 is an apocalyptic number.

212704299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

212704299 is a deficient number, since it is larger than the sum of its proper divisors (144139221).

212704299 is a wasteful number, since it uses less digits than its factorization.

212704299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 212704299 is about 14584.3854515711. The cubic root of 212704299 is about 596.9327719050.

The spelling of 212704299 in words is "two hundred twelve million, seven hundred four thousand, two hundred ninety-nine".