212122799 has 8 divisors (see below), whose sum is σ = 242514720. Its totient is φ = 181753056.

The previous prime is 212122763. The next prime is 212122817. The reversal of 212122799 is 997221212.

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

It is a cyclic number.

It is not a de Polignac number, because 212122799 - 2¹² = 212118703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212122709) 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, 31277 + ... + 37449.

It is an arithmetic number, because the mean of its divisors is an integer number (30314340).

Almost surely, 2^212122799 is an apocalyptic number.

212122799 is a deficient number, since it is larger than the sum of its proper divisors (30391921).

212122799 is an equidigital number, since it uses as much as digits as its factorization.

212122799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089.

The product of its digits is 9072, while the sum is 35.

The square root of 212122799 is about 14564.4361030560. The cubic root of 212122799 is about 596.3883020936.

The spelling of 212122799 in words is "two hundred twelve million, one hundred twenty-two thousand, seven hundred ninety-nine".