212111299 has 8 divisors (see below), whose sum is σ = 214783712. Its totient is φ = 209450880.

The previous prime is 212111257. The next prime is 212111309. The reversal of 212111299 is 992111212.

212111299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212111299 - 2¹¹ = 212109251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212111219) 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, 35659 + ... + 41179.

It is an arithmetic number, because the mean of its divisors is an integer number (26847964).

Almost surely, 2^212111299 is an apocalyptic number.

212111299 is a deficient number, since it is larger than the sum of its proper divisors (2672413).

212111299 is a wasteful number, since it uses less digits than its factorization.

212111299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997.

The product of its digits is 648, while the sum is 28.

The square root of 212111299 is about 14564.0413004083. The cubic root of 212111299 is about 596.3775243909.

The spelling of 212111299 in words is "two hundred twelve million, one hundred eleven thousand, two hundred ninety-nine".