12000023211111 has 16 divisors (see below), whose sum is σ = 17230932165216. Its totient is φ = 7384574123136.

The previous prime is 12000023211037. The next prime is 12000023211167. The reversal of 12000023211111 is 11111232000021.

It is not a de Polignac number, because 12000023211111 - 2¹⁷ = 12000023080039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000023211611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4436521 + ... + 6609293.

It is an arithmetic number, because the mean of its divisors is an integer number (1076933260326).

Almost surely, 2^{12000023211111} is an apocalyptic number.

12000023211111 is a deficient number, since it is larger than the sum of its proper divisors (5230908954105).

12000023211111 is a wasteful number, since it uses less digits than its factorization.

12000023211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314402.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12000023211111 its reverse (11111232000021), we get a palindrome (23111255211132).

The spelling of 12000023211111 in words is "twelve trillion, twenty-three million, two hundred eleven thousand, one hundred eleven".