122543020320 has 192 divisors, whose sum is σ = 467105377536. Its totient is φ = 26362183680.

The previous prime is 122543020319. The next prime is 122543020321. The reversal of 122543020320 is 23020345221.

It is an interprime number because it is at equal distance from previous prime (122543020319) and next prime (122543020321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (122543020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015561 + ... + 1129800.

It is an arithmetic number, because the mean of its divisors is an integer number (2432840508).

Almost surely, 2^122543020320 is an apocalyptic number.

122543020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122543020320 is an abundant number, since it is smaller than the sum of its proper divisors (344562357216).

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

122543020320 is a wasteful number, since it uses less digits than its factorization.

122543020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145403 (or 2145395 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 122543020320 its reverse (23020345221), we get a palindrome (145563365541).

The spelling of 122543020320 in words is "one hundred twenty-two billion, five hundred forty-three million, twenty thousand, three hundred twenty".