12031133443 has 32 divisors (see below), whose sum is σ = 14205312000. Its totient is φ = 9976006656.

The previous prime is 12031133419. The next prime is 12031133483. The reversal of 12031133443 is 34433113021.

It is not a de Polignac number, because 12031133443 - 2¹⁷ = 12031002371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031133483) 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, 21144063 + ... + 21144631.

It is an arithmetic number, because the mean of its divisors is an integer number (443916000).

Almost surely, 2^12031133443 is an apocalyptic number.

12031133443 is a deficient number, since it is larger than the sum of its proper divisors (2174178557).

12031133443 is a wasteful number, since it uses less digits than its factorization.

12031133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12031133443 its reverse (34433113021), we get a palindrome (46464246464).

The spelling of 12031133443 in words is "twelve billion, thirty-one million, one hundred thirty-three thousand, four hundred forty-three".