12043020331 has 8 divisors (see below), whose sum is σ = 12099850560. Its totient is φ = 11986223688.

The previous prime is 12043020293. The next prime is 12043020359. The reversal of 12043020331 is 13302034021.

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

It is a cyclic number.

It is not a de Polignac number, because 12043020331 - 2⁷ = 12043020203 is a prime.

It is a super-2 number, since 2×12043020331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12043020299 and 12043020308.

It is not an unprimeable number, because it can be changed into a prime (12043023331) 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, 978840 + ... + 991066.

It is an arithmetic number, because the mean of its divisors is an integer number (1512481320).

Almost surely, 2^12043020331 is an apocalyptic number.

12043020331 is a deficient number, since it is larger than the sum of its proper divisors (56830229).

12043020331 is a wasteful number, since it uses less digits than its factorization.

12043020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16793.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12043020331 its reverse (13302034021), we get a palindrome (25345054352).

The spelling of 12043020331 in words is "twelve billion, forty-three million, twenty thousand, three hundred thirty-one".