212516099 has 8 divisors (see below), whose sum is σ = 225326448. Its totient is φ = 199740160.

The previous prime is 212516081. The next prime is 212516119. The reversal of 212516099 is 990615212.

212516099 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 212516099 - 2⁸ = 212515843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212516599) 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, 4724 + ... + 21150.

It is an arithmetic number, because the mean of its divisors is an integer number (28165806).

Almost surely, 2^212516099 is an apocalyptic number.

212516099 is a deficient number, since it is larger than the sum of its proper divisors (12810349).

212516099 is a wasteful number, since it uses less digits than its factorization.

212516099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17205.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 212516099 is about 14577.9319177996. The cubic root of 212516099 is about 596.7566652976.

The spelling of 212516099 in words is "two hundred twelve million, five hundred sixteen thousand, ninety-nine".