12031211133213 has 8 divisors (see below), whose sum is σ = 16043397480000. Its totient is φ = 8019916104288.

The previous prime is 12031211133211. The next prime is 12031211133251. The reversal of 12031211133213 is 31233111213021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12031211133213 - 2¹ = 12031211133211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031211133211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222797968 + ... + 222851961.

It is an arithmetic number, because the mean of its divisors is an integer number (2005424685000).

Almost surely, 2^{12031211133213} is an apocalyptic number.

It is an amenable number.

12031211133213 is a deficient number, since it is larger than the sum of its proper divisors (4012186346787).

12031211133213 is an equidigital number, since it uses as much as digits as its factorization.

12031211133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445658931.

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

Adding to 12031211133213 its reverse (31233111213021), we get a palindrome (43264322346234).

The spelling of 12031211133213 in words is "twelve trillion, thirty-one billion, two hundred eleven million, one hundred thirty-three thousand, two hundred thirteen".