122223000122120 has 16 divisors (see below), whose sum is σ = 275001750274860. Its totient is φ = 48889200048832.

The previous prime is 122223000122081. The next prime is 122223000122129. The reversal of 122223000122120 is 21221000322221.

It can be written as a sum of positive squares in 2 ways, for example, as 116086014559684 + 6136985562436 = 10774322^2 + 2477294^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122223000122092 and 122223000122101.

It is not an unprimeable number, because it can be changed into a prime (122223000122129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527787501487 + ... + 1527787501566.

Almost surely, 2^{122223000122120} is an apocalyptic number.

122223000122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122223000122120 is an abundant number, since it is smaller than the sum of its proper divisors (152778750152740).

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

122223000122120 is a wasteful number, since it uses less digits than its factorization.

122223000122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055575003064 (or 3055575003060 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122223000122120 its reverse (21221000322221), we get a palindrome (143444000444341).

The spelling of 122223000122120 in words is "one hundred twenty-two trillion, two hundred twenty-three billion, one hundred twenty-two thousand, one hundred twenty".