12012733249 has 16 divisors (see below), whose sum is σ = 13562640000. Its totient is φ = 10539464320.

The previous prime is 12012733231. The next prime is 12012733331. The reversal of 12012733249 is 94233721021.

It is not a de Polignac number, because 12012733249 - 2⁵ = 12012733217 is a prime.

It is a super-2 number, since 2×12012733249² (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 (12012736249) 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, 863652 + ... + 877450.

It is an arithmetic number, because the mean of its divisors is an integer number (847665000).

Almost surely, 2^12012733249 is an apocalyptic number.

It is an amenable number.

12012733249 is a deficient number, since it is larger than the sum of its proper divisors (1549906751).

12012733249 is a wasteful number, since it uses less digits than its factorization.

12012733249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16568.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 12012733249 in words is "twelve billion, twelve million, seven hundred thirty-three thousand, two hundred forty-nine".