12006214236 has 18 divisors (see below), whose sum is σ = 30349041632. Its totient is φ = 4002071400.

The previous prime is 12006214229. The next prime is 12006214243. The reversal of 12006214236 is 63241260021.

12006214236 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 621 + 4 + 2 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (12006214229) and next prime (12006214243).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166752940 + ... + 166753011.

Almost surely, 2^12006214236 is an apocalyptic number.

It is an amenable number.

12006214236 is an abundant number, since it is smaller than the sum of its proper divisors (18342827396).

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

12006214236 is a wasteful number, since it uses less digits than its factorization.

12006214236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333505961 (or 333505956 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12006214236 its reverse (63241260021), we get a palindrome (75247474257).

The spelling of 12006214236 in words is "twelve billion, six million, two hundred fourteen thousand, two hundred thirty-six".