12047753881 has 8 divisors (see below), whose sum is σ = 12484228680. Its totient is φ = 11612681472.

The previous prime is 12047753857. The next prime is 12047753911. The reversal of 12047753881 is 18835774021.

It can be written as a sum of positive squares in 4 ways, for example, as 6837801481 + 5209952400 = 82691^2 + 72180^2 .

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 12047753881 - 2⁵ = 12047753849 is a prime.

It is a super-2 number, since 2×12047753881² (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 (12047753801) 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, 333090 + ... + 367483.

It is an arithmetic number, because the mean of its divisors is an integer number (1560528585).

Almost surely, 2^12047753881 is an apocalyptic number.

It is an amenable number.

12047753881 is a deficient number, since it is larger than the sum of its proper divisors (436474799).

12047753881 is an equidigital number, since it uses as much as digits as its factorization.

12047753881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701195.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 12047753881 in words is "twelve billion, forty-seven million, seven hundred fifty-three thousand, eight hundred eighty-one".