122243121320 has 16 divisors (see below), whose sum is σ = 275047023060. Its totient is φ = 48897248512.

The previous prime is 122243121277. The next prime is 122243121373. The reversal of 122243121320 is 23121342221.

It can be written as a sum of positive squares in 2 ways, for example, as 120413164036 + 1829957284 = 347006^2 + 42778^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528038977 + ... + 1528039056.

Almost surely, 2^122243121320 is an apocalyptic number.

122243121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122243121320 is an abundant number, since it is smaller than the sum of its proper divisors (152803901740).

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

122243121320 is a wasteful number, since it uses less digits than its factorization.

122243121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056078044 (or 3056078040 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122243121320 its reverse (23121342221), we get a palindrome (145364463541).

The spelling of 122243121320 in words is "one hundred twenty-two billion, two hundred forty-three million, one hundred twenty-one thousand, three hundred twenty".