122313144324340 has 24 divisors (see below), whose sum is σ = 258558646816512. Its totient is φ = 48601249399200.

The previous prime is 122313144324337. The next prime is 122313144324341. The reversal of 122313144324340 is 43423441313221.

It is a self number, because there is not a number n which added to its sum of digits gives 122313144324340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313144324341) 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, 20250517564 + ... + 20250523603.

It is an arithmetic number, because the mean of its divisors is an integer number (10773276950688).

Almost surely, 2^{122313144324340} is an apocalyptic number.

122313144324340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122313144324340 is an abundant number, since it is smaller than the sum of its proper divisors (136245502492172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122313144324340 is a wasteful number, since it uses less digits than its factorization.

122313144324340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40501041327 (or 40501041325 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 122313144324340 its reverse (43423441313221), we get a palindrome (165736585637561).

The spelling of 122313144324340 in words is "one hundred twenty-two trillion, three hundred thirteen billion, one hundred forty-four million, three hundred twenty-four thousand, three hundred forty".