12045747117 has 8 divisors (see below), whose sum is σ = 16061940000. Its totient is φ = 8030026160.

The previous prime is 12045747113. The next prime is 12045747143. The reversal of 12045747117 is 71174754021.

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 12045747117 - 2² = 12045747113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045747113) 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, 53367 + ... + 164132.

It is an arithmetic number, because the mean of its divisors is an integer number (2007742500).

Almost surely, 2^12045747117 is an apocalyptic number.

It is an amenable number.

12045747117 is a deficient number, since it is larger than the sum of its proper divisors (4016192883).

12045747117 is a wasteful number, since it uses less digits than its factorization.

12045747117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235963.

The product of its (nonzero) digits is 54880, while the sum is 39.

The spelling of 12045747117 in words is "twelve billion, forty-five million, seven hundred forty-seven thousand, one hundred seventeen".