122312141423221 has 4 divisors (see below), whose sum is σ = 122314619081952. Its totient is φ = 122309663764492.

The previous prime is 122312141423209. The next prime is 122312141423243. The reversal of 122312141423221 is 122324141213221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122312141423221 - 2²⁵ = 122312107868789 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 (122312141423821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238755315 + ... + 1238854048.

It is an arithmetic number, because the mean of its divisors is an integer number (30578654770488).

Almost surely, 2^{122312141423221} is an apocalyptic number.

It is an amenable number.

122312141423221 is a deficient number, since it is larger than the sum of its proper divisors (2477658731).

122312141423221 is an equidigital number, since it uses as much as digits as its factorization.

122312141423221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477658730.

The product of its digits is 9216, while the sum is 31.

Adding to 122312141423221 its reverse (122324141213221), we get a palindrome (244636282636442).

The spelling of 122312141423221 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred forty-one million, four hundred twenty-three thousand, two hundred twenty-one".