212945199 has 8 divisors (see below), whose sum is σ = 285398832. Its totient is φ = 141227520.

The previous prime is 212945197. The next prime is 212945237. The reversal of 212945199 is 991549212.

212945199 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 not a de Polignac number, because 212945199 - 2¹ = 212945197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212945199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212945197) 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, 183312 + ... + 184469.

It is an arithmetic number, because the mean of its divisors is an integer number (35674854).

Almost surely, 2^212945199 is an apocalyptic number.

212945199 is a deficient number, since it is larger than the sum of its proper divisors (72453633).

212945199 is a wasteful number, since it uses less digits than its factorization.

212945199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367977.

The product of its digits is 58320, while the sum is 42.

The square root of 212945199 is about 14592.6419472281. The cubic root of 212945199 is about 597.1580405868.

The spelling of 212945199 in words is "two hundred twelve million, nine hundred forty-five thousand, one hundred ninety-nine".