212001010 has 16 divisors (see below), whose sum is σ = 410956056. Its totient is φ = 78277248.

The previous prime is 212001001. The next prime is 212001017. The reversal of 212001010 is 10100212.

It can be written as a sum of positive squares in 4 ways, for example, as 192737689 + 19263321 = 13883^2 + 4389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212000984 and 212001002.

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 7 ways as a sum of consecutive naturals, for example, 815259 + ... + 815518.

Almost surely, 2^212001010 is an apocalyptic number.

212001010 is a deficient number, since it is larger than the sum of its proper divisors (198955046).

212001010 is a wasteful number, since it uses less digits than its factorization.

212001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630797.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 212001010 is about 14560.2544620621. The cubic root of 212001010 is about 596.2741426847.

Adding to 212001010 its reverse (10100212), we get a palindrome (222101222).

The spelling of 212001010 in words is "two hundred twelve million, one thousand, ten".