122203304520 has 64 divisors (see below), whose sum is σ = 399938091840. Its totient is φ = 29625043200.

The previous prime is 122203304477. The next prime is 122203304579. The reversal of 122203304520 is 25403302221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46287811 + ... + 46290450.

It is an arithmetic number, because the mean of its divisors is an integer number (6249032685).

Almost surely, 2^122203304520 is an apocalyptic number.

122203304520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122203304520 is an abundant number, since it is smaller than the sum of its proper divisors (277734787320).

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

122203304520 is a wasteful number, since it uses less digits than its factorization.

122203304520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92578286 (or 92578282 counting only the distinct ones).

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

Adding to 122203304520 its reverse (25403302221), we get a palindrome (147606606741).

The spelling of 122203304520 in words is "one hundred twenty-two billion, two hundred three million, three hundred four thousand, five hundred twenty".