2012211223 has 16 divisors (see below), whose sum is σ = 2212729344. Its totient is φ = 1814672160.

The previous prime is 2012211211. The next prime is 2012211233. The reversal of 2012211223 is 3221122102.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012211223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012211197 and 2012211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012211203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389886 + ... + 1391332.

It is an arithmetic number, because the mean of its divisors is an integer number (138295584).

Almost surely, 2^2012211223 is an apocalyptic number.

2012211223 is a deficient number, since it is larger than the sum of its proper divisors (200518121).

2012211223 is a wasteful number, since it uses less digits than its factorization.

2012211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2012211223 is about 44857.6774142398. The cubic root of 2012211223 is about 1262.4800450135.

Adding to 2012211223 its reverse (3221122102), we get a palindrome (5233333325).

The spelling of 2012211223 in words is "two billion, twelve million, two hundred eleven thousand, two hundred twenty-three".