212299089 has 8 divisors (see below), whose sum is σ = 285570912. Its totient is φ = 140280000.

The previous prime is 212299037. The next prime is 212299091. The reversal of 212299089 is 980992212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212299089 - 2¹⁷ = 212168017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212299089.

It is not an unprimeable number, because it can be changed into a prime (212299019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312787 + ... + 313464.

It is an arithmetic number, because the mean of its divisors is an integer number (35696364).

Almost surely, 2^212299089 is an apocalyptic number.

It is an amenable number.

212299089 is a deficient number, since it is larger than the sum of its proper divisors (73271823).

212299089 is a wasteful number, since it uses less digits than its factorization.

212299089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626367.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 212299089 is about 14570.4869170526. The cubic root of 212299089 is about 596.5534708576.

The spelling of 212299089 in words is "two hundred twelve million, two hundred ninety-nine thousand, eighty-nine".