12149217713 has 8 divisors (see below), whose sum is σ = 12259332456. Its totient is φ = 12039148800.

The previous prime is 12149217697. The next prime is 12149217727. The reversal of 12149217713 is 31771294121.

It can be written as a sum of positive squares in 4 ways, for example, as 994267024 + 11154950689 = 31532^2 + 105617^2 .

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 12149217713 - 2⁴ = 12149217697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12149217763) 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, 744623 + ... + 760763.

It is an arithmetic number, because the mean of its divisors is an integer number (1532416557).

Almost surely, 2^12149217713 is an apocalyptic number.

It is an amenable number.

12149217713 is a deficient number, since it is larger than the sum of its proper divisors (110114743).

12149217713 is a wasteful number, since it uses less digits than its factorization.

12149217713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915.

The product of its digits is 21168, while the sum is 38.

The spelling of 12149217713 in words is "twelve billion, one hundred forty-nine million, two hundred seventeen thousand, seven hundred thirteen".