122555231412340 has 24 divisors (see below), whose sum is σ = 257366931149160. Its totient is φ = 49021912530048.

The previous prime is 122555231412323. The next prime is 122555231412391. The reversal of 122555231412340 is 43214132555221.

It can be written as a sum of positive squares in 4 ways, for example, as 8667830797924 + 113887400614416 = 2944118^2 + 10671804^2 .

It is a super-2 number, since 2×122555231412340² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122555231412293 and 122555231412302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5600967 + ... + 16627726.

It is an arithmetic number, because the mean of its divisors is an integer number (10723622131215).

Almost surely, 2^{122555231412340} is an apocalyptic number.

122555231412340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122555231412340 is an abundant number, since it is smaller than the sum of its proper divisors (134811699736820).

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

122555231412340 is a wasteful number, since it uses less digits than its factorization.

122555231412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22504371 (or 22504369 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 122555231412340 its reverse (43214132555221), we get a palindrome (165769363967561).

The spelling of 122555231412340 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, four hundred twelve thousand, three hundred forty".