212108799 has 48 divisors (see below), whose sum is σ = 348691200. Its totient is φ = 114624720.

The previous prime is 212108777. The next prime is 212108807. The reversal of 212108799 is 997801212.

It is not a de Polignac number, because 212108799 - 2⁷ = 212108671 is a prime.

It is a super-2 number, since 2×212108799² = 89980285226444802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371184 + ... + 371754.

It is an arithmetic number, because the mean of its divisors is an integer number (7264400).

Almost surely, 2^212108799 is an apocalyptic number.

212108799 is a deficient number, since it is larger than the sum of its proper divisors (136582401).

212108799 is an equidigital number, since it uses as much as digits as its factorization.

212108799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 212108799 is about 14563.9554723296. The cubic root of 212108799 is about 596.3751813605.

The spelling of 212108799 in words is "two hundred twelve million, one hundred eight thousand, seven hundred ninety-nine".