12031444404213 has 32 divisors (see below), whose sum is σ = 17407404994560. Its totient is φ = 7347711441600.

The previous prime is 12031444404179. The next prime is 12031444404227. The reversal of 12031444404213 is 31240444413021.

It is a happy number.

It is not a de Polignac number, because 12031444404213 - 2¹² = 12031444400117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031444404233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4998420 + ... + 7003362.

It is an arithmetic number, because the mean of its divisors is an integer number (543981406080).

Almost surely, 2^{12031444404213} is an apocalyptic number.

12031444404213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12031444404213 is a deficient number, since it is larger than the sum of its proper divisors (5375960590347).

12031444404213 is a wasteful number, since it uses less digits than its factorization.

12031444404213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006129.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 12031444404213 its reverse (31240444413021), we get a palindrome (43271888817234).

The spelling of 12031444404213 in words is "twelve trillion, thirty-one billion, four hundred forty-four million, four hundred four thousand, two hundred thirteen".