12405031043 has 8 divisors (see below), whose sum is σ = 12476146608. Its totient is φ = 12334119424.

The previous prime is 12405031027. The next prime is 12405031061. The reversal of 12405031043 is 34013050421.

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 12405031043 - 2⁴ = 12405031027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12405031003) 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, 71855 + ... + 173127.

It is an arithmetic number, because the mean of its divisors is an integer number (1559518326).

Almost surely, 2^12405031043 is an apocalyptic number.

12405031043 is a deficient number, since it is larger than the sum of its proper divisors (71115565).

12405031043 is a wasteful number, since it uses less digits than its factorization.

12405031043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101973.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12405031043 its reverse (34013050421), we get a palindrome (46418081464).

The spelling of 12405031043 in words is "twelve billion, four hundred five million, thirty-one thousand, forty-three".