212829105 has 16 divisors (see below), whose sum is σ = 351512064. Its totient is φ = 109847040.

The previous prime is 212829083. The next prime is 212829121. The reversal of 212829105 is 501928212.

It is not a de Polignac number, because 212829105 - 2⁶ = 212829041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228384 + ... + 229313.

It is an arithmetic number, because the mean of its divisors is an integer number (21969504).

Almost surely, 2^212829105 is an apocalyptic number.

It is an amenable number.

212829105 is a deficient number, since it is larger than the sum of its proper divisors (138682959).

212829105 is a wasteful number, since it uses less digits than its factorization.

212829105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457736.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 212829105 is about 14588.6635782720. The cubic root of 212829105 is about 597.0495008182.

The spelling of 212829105 in words is "two hundred twelve million, eight hundred twenty-nine thousand, one hundred five".