212766195 has 16 divisors (see below), whose sum is σ = 341292960. Its totient is φ = 113186304.

The previous prime is 212766187. The next prime is 212766217. The reversal of 212766195 is 591667212.

It is not a de Polignac number, because 212766195 - 2³ = 212766187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11910 + ... + 23819.

It is an arithmetic number, because the mean of its divisors is an integer number (21330810).

Almost surely, 2^212766195 is an apocalyptic number.

212766195 is the 11910-th pentagonal number.

212766195 is a deficient number, since it is larger than the sum of its proper divisors (128526765).

212766195 is a wasteful number, since it uses less digits than its factorization.

212766195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36134.

The product of its digits is 45360, while the sum is 39.

The square root of 212766195 is about 14586.5072927003. The cubic root of 212766195 is about 596.9906678788.

The spelling of 212766195 in words is "two hundred twelve million, seven hundred sixty-six thousand, one hundred ninety-five".