12012232233321 has 32 divisors (see below), whose sum is σ = 17896101350400. Its totient is φ = 7963073349120.

The previous prime is 12012232233319. The next prime is 12012232233347. The reversal of 12012232233321 is 12333223221021.

12012232233321 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 2 + 2 + 322 + 3 + 332 + 1 = 666.

It is not a de Polignac number, because 12012232233321 - 2¹ = 12012232233319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12012232233721) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 48193465 + ... + 48442073.

It is an arithmetic number, because the mean of its divisors is an integer number (559253167200).

Almost surely, 2^{12012232233321} is an apocalyptic number.

It is an amenable number.

12012232233321 is a deficient number, since it is larger than the sum of its proper divisors (5883869117079).

12012232233321 is a wasteful number, since it uses less digits than its factorization.

12012232233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258686 (or 258680 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12012232233321 its reverse (12333223221021), we get a palindrome (24345455454342).

The spelling of 12012232233321 in words is "twelve trillion, twelve billion, two hundred thirty-two million, two hundred thirty-three thousand, three hundred twenty-one".