12016212304 has 20 divisors (see below), whose sum is σ = 23600337076. Its totient is φ = 5925802752.

The previous prime is 12016212301. The next prime is 12016212349. The reversal of 12016212304 is 40321261021.

It can be written as a sum of positive squares in 2 ways, for example, as 5632202304 + 6384010000 = 75048^2 + 79900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016212301) 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, 5142759 + ... + 5145094.

Almost surely, 2^12016212304 is an apocalyptic number.

It is an amenable number.

12016212304 is a deficient number, since it is larger than the sum of its proper divisors (11584124772).

12016212304 is a wasteful number, since it uses less digits than its factorization.

12016212304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287934 (or 10287928 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12016212304 its reverse (40321261021), we get a palindrome (52337473325).

The spelling of 12016212304 in words is "twelve billion, sixteen million, two hundred twelve thousand, three hundred four".