212320262 has 16 divisors (see below), whose sum is σ = 397066752. Its totient is φ = 82722120.

The previous prime is 212320261. The next prime is 212320267. The reversal of 212320262 is 262023212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689198 + ... + 689505.

It is an arithmetic number, because the mean of its divisors is an integer number (24816672).

Almost surely, 2^212320262 is an apocalyptic number.

212320262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212320262 is a deficient number, since it is larger than the sum of its proper divisors (184746490).

212320262 is a wasteful number, since it uses less digits than its factorization.

212320262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378723.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212320262 is about 14571.2134704012. The cubic root of 212320262 is about 596.5733020100.

Adding to 212320262 its reverse (262023212), we get a palindrome (474343474).

The spelling of 212320262 in words is "two hundred twelve million, three hundred twenty thousand, two hundred sixty-two".