212244260 has 12 divisors (see below), whose sum is σ = 445712988. Its totient is φ = 84897696.

The previous prime is 212244251. The next prime is 212244271. The reversal of 212244260 is 62442212.

It can be written as a sum of positive squares in 2 ways, for example, as 28153636 + 184090624 = 5306^2 + 13568^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 5306087 + ... + 5306126.

It is an arithmetic number, because the mean of its divisors is an integer number (37142749).

Almost surely, 2^212244260 is an apocalyptic number.

212244260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212244260 is an abundant number, since it is smaller than the sum of its proper divisors (233468728).

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

212244260 is a wasteful number, since it uses less digits than its factorization.

212244260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612222 (or 10612220 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 212244260 is about 14568.6052867116. The cubic root of 212244260 is about 596.5021105391.

Adding to 212244260 its reverse (62442212), we get a palindrome (274686472).

The spelling of 212244260 in words is "two hundred twelve million, two hundred forty-four thousand, two hundred sixty".