12025917617749 has 16 divisors (see below), whose sum is σ = 14187767454720. Its totient is φ = 9975057079680.

The previous prime is 12025917617743. The next prime is 12025917617801. The reversal of 12025917617749 is 94771671952021.

It is a happy number.

It is not a de Polignac number, because 12025917617749 - 2⁷ = 12025917617621 is a prime.

It is a super-3 number, since 3×12025917617749³ (a number of 40 digits) contains 333 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 (12025917617743) 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 15 ways as a sum of consecutive naturals, for example, 5144097 + ... + 7107289.

It is an arithmetic number, because the mean of its divisors is an integer number (886735465920).

Almost surely, 2^{12025917617749} is an apocalyptic number.

It is an amenable number.

12025917617749 is a deficient number, since it is larger than the sum of its proper divisors (2161849836971).

12025917617749 is a wasteful number, since it uses less digits than its factorization.

12025917617749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991460.

The product of its (nonzero) digits is 13335840, while the sum is 61.

The spelling of 12025917617749 in words is "twelve trillion, twenty-five billion, nine hundred seventeen million, six hundred seventeen thousand, seven hundred forty-nine".