2123223212 has 96 divisors (see below), whose sum is σ = 4306756608. Its totient is φ = 907200000.

The previous prime is 2123223199. The next prime is 2123223257.

It is a happy number.

2123223212 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7834637 + ... + 7834907.

It is an arithmetic number, because the mean of its divisors is an integer number (44862048).

Almost surely, 2^2123223212 is an apocalyptic number.

2123223212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2123223212 is an abundant number, since it is smaller than the sum of its proper divisors (2183533396).

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

2123223212 is a wasteful number, since it uses less digits than its factorization.

2123223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 469 counting only the distinct ones).

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

The square root of 2123223212 is about 46078.4462845700. The cubic root of 2123223212 is about 1285.2823720981.

It can be divided in two parts, 21232 and 23212, that added together give a palindrome (44444).

The spelling of 2123223212 in words is "two billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred twelve".