212134833 has 6 divisors (see below), whose sum is σ = 306416994. Its totient is φ = 141423216.

The previous prime is 212134817. The next prime is 212134843. The reversal of 212134833 is 338431212.

It can be written as a sum of positive squares in only one way, i.e., 188046369 + 24088464 = 13713^2 + 4908^2 .

It is not a de Polignac number, because 212134833 - 2⁴ = 212134817 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212134797 and 212134806.

It is not an unprimeable number, because it can be changed into a prime (212134843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11785260 + ... + 11785277.

It is an arithmetic number, because the mean of its divisors is an integer number (51069499).

Almost surely, 2^212134833 is an apocalyptic number.

It is an amenable number.

212134833 is a deficient number, since it is larger than the sum of its proper divisors (94282161).

212134833 is a wasteful number, since it uses less digits than its factorization.

212134833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23570543 (or 23570540 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 212134833 is about 14564.8492268200. The cubic root of 212134833 is about 596.3995798396.

The spelling of 212134833 in words is "two hundred twelve million, one hundred thirty-four thousand, eight hundred thirty-three".