12011023331212 has 12 divisors (see below), whose sum is σ = 21235984550200. Its totient is φ = 5943599174016.

The previous prime is 12011023331207. The next prime is 12011023331221. The reversal of 12011023331212 is 21213332011021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15478122462 + ... + 15478123237.

Almost surely, 2^{12011023331212} is an apocalyptic number.

It is an amenable number.

12011023331212 is a deficient number, since it is larger than the sum of its proper divisors (9224961218988).

12011023331212 is a wasteful number, since it uses less digits than its factorization.

12011023331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30956245800 (or 30956245798 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12011023331212 its reverse (21213332011021), we get a palindrome (33224355342233).

The spelling of 12011023331212 in words is "twelve trillion, eleven billion, twenty-three million, three hundred thirty-one thousand, two hundred twelve".