12012654369 has 16 divisors (see below), whose sum is σ = 16588091520. Its totient is φ = 7723457280.

The previous prime is 12012654323. The next prime is 12012654391. The reversal of 12012654369 is 96345621021.

It is not a de Polignac number, because 12012654369 - 2⁹ = 12012653857 is a prime.

It is a super-2 number, since 2×12012654369² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12012654319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717 + ... + 155010.

It is an arithmetic number, because the mean of its divisors is an integer number (1036755720).

Almost surely, 2^12012654369 is an apocalyptic number.

It is an amenable number.

12012654369 is a deficient number, since it is larger than the sum of its proper divisors (4575437151).

12012654369 is a wasteful number, since it uses less digits than its factorization.

12012654369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157640.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 12012654369 in words is "twelve billion, twelve million, six hundred fifty-four thousand, three hundred sixty-nine".