12291922230718 has 8 divisors (see below), whose sum is σ = 19856182065048. Its totient is φ = 5673194875704.

The previous prime is 12291922230713. The next prime is 12291922230767. The reversal of 12291922230718 is 81703222919221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12291922230713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236383119796 + ... + 236383119847.

It is an arithmetic number, because the mean of its divisors is an integer number (2482022758131).

Almost surely, 2^{12291922230718} is an apocalyptic number.

12291922230718 is a deficient number, since it is larger than the sum of its proper divisors (7564259834330).

12291922230718 is a wasteful number, since it uses less digits than its factorization.

12291922230718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472766239658.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 12291922230718 in words is "twelve trillion, two hundred ninety-one billion, nine hundred twenty-two million, two hundred thirty thousand, seven hundred eighteen".