12291241168 has 20 divisors (see below), whose sum is σ = 23938967808. Its totient is φ = 6113443040.

The previous prime is 12291241163. The next prime is 12291241273. The reversal of 12291241168 is 86114219221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12291241163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007946 + ... + 2014057.

Almost surely, 2^12291241168 is an apocalyptic number.

It is an amenable number.

12291241168 is a deficient number, since it is larger than the sum of its proper divisors (11647726640).

12291241168 is a wasteful number, since it uses less digits than its factorization.

12291241168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022202 (or 4022196 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The spelling of 12291241168 in words is "twelve billion, two hundred ninety-one million, two hundred forty-one thousand, one hundred sixty-eight".