4123204212 has 24 divisors (see below), whose sum is σ = 10127168800. Its totient is φ = 1302064416.

The previous prime is 4123204207. The next prime is 4123204223. The reversal of 4123204212 is 2124023214.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9041887 + ... + 9042342.

Almost surely, 2^4123204212 is an apocalyptic number.

It is an amenable number.

4123204212 is an abundant number, since it is smaller than the sum of its proper divisors (6003964588).

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

4123204212 is a wasteful number, since it uses less digits than its factorization.

4123204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18084255 (or 18084253 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4123204212 is about 64212.1811808320. The cubic root of 4123204212 is about 1603.5344018574.

Adding to 4123204212 its reverse (2124023214), we get a palindrome (6247227426).

It can be divided in two parts, 4123 and 204212, that added together give a triangular number (208335 = T₆₄₅).

The spelling of 4123204212 in words is "four billion, one hundred twenty-three million, two hundred four thousand, two hundred twelve".