12001230011211 has 16 divisors (see below), whose sum is σ = 18342838111488. Its totient is φ = 6837127149600.

The previous prime is 12001230011201. The next prime is 12001230011213. The reversal of 12001230011211 is 11211003210021.

It is not a de Polignac number, because 12001230011211 - 2¹⁵ = 12001229978443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001230011213) 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, 863266680 + ... + 863280581.

It is an arithmetic number, because the mean of its divisors is an integer number (1146427381968).

Almost surely, 2^{12001230011211} is an apocalyptic number.

12001230011211 is a deficient number, since it is larger than the sum of its proper divisors (6341608100277).

12001230011211 is a wasteful number, since it uses less digits than its factorization.

12001230011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726547602.

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

Adding to 12001230011211 its reverse (11211003210021), we get a palindrome (23212233221232).

The spelling of 12001230011211 in words is "twelve trillion, one billion, two hundred thirty million, eleven thousand, two hundred eleven".