122821318897 has 8 divisors (see below), whose sum is σ = 129759868800. Its totient is φ = 116062991184.

The previous prime is 122821318883. The next prime is 122821318903. The reversal of 122821318897 is 798813128221.

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-122821318897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122821318847) 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, 45054147 + ... + 45056872.

It is an arithmetic number, because the mean of its divisors is an integer number (16219983600).

Almost surely, 2^122821318897 is an apocalyptic number.

It is an amenable number.

122821318897 is a deficient number, since it is larger than the sum of its proper divisors (6938549903).

122821318897 is an equidigital number, since it uses as much as digits as its factorization.

122821318897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90111095.

The product of its digits is 774144, while the sum is 52.

The spelling of 122821318897 in words is "one hundred twenty-two billion, eight hundred twenty-one million, three hundred eighteen thousand, eight hundred ninety-seven".