12087885949 has 8 divisors (see below), whose sum is σ = 12160141920. Its totient is φ = 12015771600.

The previous prime is 12087885947. The next prime is 12087885991. The reversal of 12087885949 is 94958878021.

12087885949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12087885949 - 2¹ = 12087885947 is a prime.

It is a super-2 number, since 2×12087885949² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087885947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138342 + ... + 208120.

It is an arithmetic number, because the mean of its divisors is an integer number (1520017740).

Almost surely, 2^12087885949 is an apocalyptic number.

It is an amenable number.

12087885949 is a deficient number, since it is larger than the sum of its proper divisors (72255971).

12087885949 is an equidigital number, since it uses as much as digits as its factorization.

12087885949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70811.

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 12087885949 in words is "twelve billion, eighty-seven million, eight hundred eighty-five thousand, nine hundred forty-nine".