212229107 has 4 divisors (see below), whose sum is σ = 223399080. Its totient is φ = 201059136.

The previous prime is 212229103. The next prime is 212229137. The reversal of 212229107 is 701922212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212229107 - 2² = 212229103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212229103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5584958 + ... + 5584995.

It is an arithmetic number, because the mean of its divisors is an integer number (55849770).

Almost surely, 2^212229107 is an apocalyptic number.

212229107 is a deficient number, since it is larger than the sum of its proper divisors (11169973).

212229107 is a wasteful number, since it uses less digits than its factorization.

212229107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169972.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 212229107 is about 14568.0852207831. The cubic root of 212229107 is about 596.4879146129.

The spelling of 212229107 in words is "two hundred twelve million, two hundred twenty-nine thousand, one hundred seven".