12000231212 has 12 divisors (see below), whose sum is σ = 21003585456. Its totient is φ = 5999206800.

The previous prime is 12000231193. The next prime is 12000231227. The reversal of 12000231212 is 21213200021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197048 + ... + 250655.

It is an arithmetic number, because the mean of its divisors is an integer number (1750298788).

Almost surely, 2^12000231212 is an apocalyptic number.

It is an amenable number.

12000231212 is a deficient number, since it is larger than the sum of its proper divisors (9003354244).

12000231212 is a wasteful number, since it uses less digits than its factorization.

12000231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454408 (or 454406 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12000231212 its reverse (21213200021), we get a palindrome (33213431233).

The spelling of 12000231212 in words is "twelve billion, two hundred thirty-one thousand, two hundred twelve".