12009876481 has 8 divisors (see below), whose sum is σ = 12353834304. Its totient is φ = 11670663120.

The previous prime is 12009876371. The next prime is 12009876503. The reversal of 12009876481 is 18467890021.

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 12009876481 - 2¹⁹ = 12009352193 is a prime.

It is a super-2 number, since 2×12009876481² (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 (12009876881) 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, 1180981 + ... + 1191106.

It is an arithmetic number, because the mean of its divisors is an integer number (1544229288).

Almost surely, 2^12009876481 is an apocalyptic number.

It is an amenable number.

12009876481 is a deficient number, since it is larger than the sum of its proper divisors (343957823).

12009876481 is an equidigital number, since it uses as much as digits as its factorization.

12009876481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372231.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 12009876481 in words is "twelve billion, nine million, eight hundred seventy-six thousand, four hundred eighty-one".