212101052 has 12 divisors (see below), whose sum is σ = 374011176. Its totient is φ = 105240720.

The previous prime is 212101031. The next prime is 212101079. The reversal of 212101052 is 250101212.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201863 + ... + 202910.

It is an arithmetic number, because the mean of its divisors is an integer number (31167598).

Almost surely, 2^212101052 is an apocalyptic number.

It is an amenable number.

212101052 is a deficient number, since it is larger than the sum of its proper divisors (161910124).

212101052 is a wasteful number, since it uses less digits than its factorization.

212101052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404908 (or 404906 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 212101052 is about 14563.6895050670. The cubic root of 212101052 is about 596.3679206609.

Adding to 212101052 its reverse (250101212), we get a palindrome (462202264).

The spelling of 212101052 in words is "two hundred twelve million, one hundred one thousand, fifty-two".