212213010 has 64 divisors (see below), whose sum is σ = 529130880. Its totient is φ = 54405120.

The previous prime is 212212999. The next prime is 212213051. The reversal of 212213010 is 10312212.

It is a super-2 number, since 2×212213010² = 90068723226520200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306765 + ... + 307455.

It is an arithmetic number, because the mean of its divisors is an integer number (8267670).

Almost surely, 2^212213010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212213010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264565440).

212213010 is an abundant number, since it is smaller than the sum of its proper divisors (316917870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212213010 is a wasteful number, since it uses less digits than its factorization.

212213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212213010 is about 14567.5327355047. The cubic root of 212213010 is about 596.4728335701.

Adding to 212213010 its reverse (10312212), we get a palindrome (222525222).

The spelling of 212213010 in words is "two hundred twelve million, two hundred thirteen thousand, ten".