122314321821 has 16 divisors (see below), whose sum is σ = 165235935744. Its totient is φ = 80473591344.

The previous prime is 122314321807. The next prime is 122314321849. The reversal of 122314321821 is 128123413221.

It is not a de Polignac number, because 122314321821 - 2²¹ = 122312224669 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122314361821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639991 + ... + 808836.

It is an arithmetic number, because the mean of its divisors is an integer number (10327245984).

Almost surely, 2^122314321821 is an apocalyptic number.

It is an amenable number.

122314321821 is a deficient number, since it is larger than the sum of its proper divisors (42921613923).

122314321821 is a wasteful number, since it uses less digits than its factorization.

122314321821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449200.

The product of its digits is 4608, while the sum is 30.

The spelling of 122314321821 in words is "one hundred twenty-two billion, three hundred fourteen million, three hundred twenty-one thousand, eight hundred twenty-one".