12043555331 has 8 divisors (see below), whose sum is σ = 12178704240. Its totient is φ = 11909091328.

The previous prime is 12043555253. The next prime is 12043555333. The reversal of 12043555331 is 13355534021.

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 12043555331 - 2²² = 12039361027 is a prime.

It is a super-2 number, since 2×12043555331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12043555333) 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, 135821 + ... + 206238.

It is an arithmetic number, because the mean of its divisors is an integer number (1522338030).

Almost surely, 2^12043555331 is an apocalyptic number.

12043555331 is a deficient number, since it is larger than the sum of its proper divisors (135148909).

12043555331 is a wasteful number, since it uses less digits than its factorization.

12043555331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342453.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 12043555331 in words is "twelve billion, forty-three million, five hundred fifty-five thousand, three hundred thirty-one".