122313215410321 has 4 divisors (see below), whose sum is σ = 131721924288052. Its totient is φ = 112904506532592.

The previous prime is 122313215410319. The next prime is 122313215410349. The reversal of 122313215410321 is 123014512313221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84422284185600 + 37890931224721 = 9188160^2 + 6155561^2 .

It is a cyclic number.

It is not a de Polignac number, because 122313215410321 - 2¹ = 122313215410319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122313215410301) 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, 4704354438846 + ... + 4704354438871.

It is an arithmetic number, because the mean of its divisors is an integer number (32930481072013).

Almost surely, 2^{122313215410321} is an apocalyptic number.

It is an amenable number.

122313215410321 is a deficient number, since it is larger than the sum of its proper divisors (9408708877731).

122313215410321 is an equidigital number, since it uses as much as digits as its factorization.

122313215410321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408708877730.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 122313215410321 its reverse (123014512313221), we get a palindrome (245327727723542).

The spelling of 122313215410321 in words is "one hundred twenty-two trillion, three hundred thirteen billion, two hundred fifteen million, four hundred ten thousand, three hundred twenty-one".