12122118196823 has 8 divisors (see below), whose sum is σ = 12275635310400. Its totient is φ = 11968602897888.

The previous prime is 12122118196733. The next prime is 12122118196927. The reversal of 12122118196823 is 32869181122121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12122118196823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122118126823) 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, 17423465 + ... + 18105837.

It is an arithmetic number, because the mean of its divisors is an integer number (1534454413800).

Almost surely, 2^{12122118196823} is an apocalyptic number.

12122118196823 is a deficient number, since it is larger than the sum of its proper divisors (153517113577).

12122118196823 is an equidigital number, since it uses as much as digits as its factorization.

12122118196823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907321.

The product of its digits is 165888, while the sum is 47.

The spelling of 12122118196823 in words is "twelve trillion, one hundred twenty-two billion, one hundred eighteen million, one hundred ninety-six thousand, eight hundred twenty-three".