212322011 has 8 divisors (see below), whose sum is σ = 231757824. Its totient is φ = 192908520.

The previous prime is 212322001. The next prime is 212322023. The reversal of 212322011 is 110223212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212322011 - 2¹⁰ = 212320987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212322001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19070 + ... + 28076.

It is an arithmetic number, because the mean of its divisors is an integer number (28969728).

Almost surely, 2^212322011 is an apocalyptic number.

212322011 is a deficient number, since it is larger than the sum of its proper divisors (19435813).

212322011 is a wasteful number, since it uses less digits than its factorization.

212322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212322011 is about 14571.2734858694. The cubic root of 212322011 is about 596.5749401074.

Adding to 212322011 its reverse (110223212), we get a palindrome (322545223).

It can be divided in two parts, 212 and 322011, that added together give a palindrome (322223).

The spelling of 212322011 in words is "two hundred twelve million, three hundred twenty-two thousand, eleven".