12004304212 has 12 divisors (see below), whose sum is σ = 21008543220. Its totient is φ = 6001863296.

The previous prime is 12004304203. The next prime is 12004304219. The reversal of 12004304212 is 21240340021.

It can be written as a sum of positive squares in 2 ways, for example, as 1601120196 + 10403184016 = 40014^2 + 101996^2 .

It is a super-2 number, since 2×12004304212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12004304212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004304219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41058 + ... + 160294.

It is an arithmetic number, because the mean of its divisors is an integer number (1750711935).

Almost surely, 2^12004304212 is an apocalyptic number.

It is an amenable number.

12004304212 is a deficient number, since it is larger than the sum of its proper divisors (9004239008).

12004304212 is a wasteful number, since it uses less digits than its factorization.

12004304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144410 (or 144408 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12004304212 its reverse (21240340021), we get a palindrome (33244644233).

The spelling of 12004304212 in words is "twelve billion, four million, three hundred four thousand, two hundred twelve".