212001016 has 16 divisors (see below), whose sum is σ = 420884640. Its totient is φ = 99765120.

The previous prime is 212001001. The next prime is 212001017. The reversal of 212001016 is 610100212.

It is a junction number, because it is equal to n+sod(n) for n = 212000987 and 212001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779280 + ... + 779551.

It is an arithmetic number, because the mean of its divisors is an integer number (26305290).

Almost surely, 2^212001016 is an apocalyptic number.

It is an amenable number.

212001016 is a deficient number, since it is larger than the sum of its proper divisors (208883624).

212001016 is a wasteful number, since it uses less digits than its factorization.

212001016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558854 (or 1558850 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 212001016 is about 14560.2546681025. The cubic root of 212001016 is about 596.2741483099.

Adding to 212001016 its reverse (610100212), we get a palindrome (822101228).

The spelling of 212001016 in words is "two hundred twelve million, one thousand, sixteen".