12213809126997 has 8 divisors (see below), whose sum is σ = 16287020111520. Its totient is φ = 8141568780240.

The previous prime is 12213809126993. The next prime is 12213809126999. The reversal of 12213809126997 is 79962190831221.

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

It is not a de Polignac number, because 12213809126997 - 2² = 12213809126993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12213809126997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213809126993) 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, 242630079 + ... + 242680412.

It is an arithmetic number, because the mean of its divisors is an integer number (2035877513940).

Almost surely, 2^{12213809126997} is an apocalyptic number.

It is an amenable number.

12213809126997 is a deficient number, since it is larger than the sum of its proper divisors (4073210984523).

12213809126997 is an equidigital number, since it uses as much as digits as its factorization.

12213809126997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485318883.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 12213809126997 in words is "twelve trillion, two hundred thirteen billion, eight hundred nine million, one hundred twenty-six thousand, nine hundred ninety-seven".