12031323113211 has 16 divisors (see below), whose sum is σ = 16053795209088. Its totient is φ = 8014867361600.

The previous prime is 12031323113189. The next prime is 12031323113237. The reversal of 12031323113211 is 11231132313021.

It is a cyclic number.

It is not a de Polignac number, because 12031323113211 - 2⁵ = 12031323113179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12031323113611) 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, 63934120 + ... + 64122026.

It is an arithmetic number, because the mean of its divisors is an integer number (1003362200568).

Almost surely, 2^{12031323113211} is an apocalyptic number.

12031323113211 is a deficient number, since it is larger than the sum of its proper divisors (4022472095877).

12031323113211 is a wasteful number, since it uses less digits than its factorization.

12031323113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203802.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12031323113211 its reverse (11231132313021), we get a palindrome (23262455426232).

The spelling of 12031323113211 in words is "twelve trillion, thirty-one billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred eleven".