122243123420 has 24 divisors (see below), whose sum is σ = 280047883248. Its totient is φ = 44452044800.

The previous prime is 122243123413. The next prime is 122243123503. The reversal of 122243123420 is 24321342221.

It is a self number, because there is not a number n which added to its sum of digits gives 122243123420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277825061 + ... + 277825500.

It is an arithmetic number, because the mean of its divisors is an integer number (11668661802).

Almost surely, 2^122243123420 is an apocalyptic number.

122243123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122243123420 is an abundant number, since it is smaller than the sum of its proper divisors (157804759828).

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

122243123420 is a wasteful number, since it uses less digits than its factorization.

122243123420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555650581 (or 555650579 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 122243123420 its reverse (24321342221), we get a palindrome (146564465641).

The spelling of 122243123420 in words is "one hundred twenty-two billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred twenty".