12047409969 has 16 divisors (see below), whose sum is σ = 18374788992. Its totient is φ = 6877922688.

The previous prime is 12047409953. The next prime is 12047409977. The reversal of 12047409969 is 96990474021.

It is a happy number.

It is not a de Polignac number, because 12047409969 - 2⁴ = 12047409953 is a prime.

It is a super-2 number, since 2×12047409969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12047409919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239484 + ... + 285389.

It is an arithmetic number, because the mean of its divisors is an integer number (1148424312).

Almost surely, 2^12047409969 is an apocalyptic number.

It is an amenable number.

12047409969 is a deficient number, since it is larger than the sum of its proper divisors (6327379023).

12047409969 is a wasteful number, since it uses less digits than its factorization.

12047409969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525976.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 12047409969 in words is "twelve billion, forty-seven million, four hundred nine thousand, nine hundred sixty-nine".