2013223212 has 432 divisors, whose sum is σ = 7278066432. Its totient is φ = 460373760.

The previous prime is 2013223207. The next prime is 2013223237. The reversal of 2013223212 is 2123223102.

2013223212 is a `hidden beast` number, since 20 + 1 + 322 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5801623 + ... + 5801969.

It is an arithmetic number, because the mean of its divisors is an integer number (16847376).

Almost surely, 2^2013223212 is an apocalyptic number.

2013223212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013223212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3639033216).

2013223212 is an abundant number, since it is smaller than the sum of its proper divisors (5264843220).

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

2013223212 is a wasteful number, since it uses less digits than its factorization.

2013223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2013223212 is about 44868.9559940946. The cubic root of 2013223212 is about 1262.6916533149.

Adding to 2013223212 its reverse (2123223102), we get a palindrome (4136446314).

The spelling of 2013223212 in words is "two billion, thirteen million, two hundred twenty-three thousand, two hundred twelve".