12011031233212 has 12 divisors (see below), whose sum is σ = 22930150536216. Its totient is φ = 5459559651440.

The previous prime is 12011031233189. The next prime is 12011031233249. The reversal of 12011031233212 is 21233213011021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136488991243 + ... + 136488991330.

It is an arithmetic number, because the mean of its divisors is an integer number (1910845878018).

Almost surely, 2^{12011031233212} is an apocalyptic number.

It is an amenable number.

12011031233212 is a deficient number, since it is larger than the sum of its proper divisors (10919119303004).

12011031233212 is a wasteful number, since it uses less digits than its factorization.

12011031233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272977982588 (or 272977982586 counting only the distinct ones).

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

Adding to 12011031233212 its reverse (21233213011021), we get a palindrome (33244244244233).

The spelling of 12011031233212 in words is "twelve trillion, eleven billion, thirty-one million, two hundred thirty-three thousand, two hundred twelve".