122275307620 has 48 divisors (see below), whose sum is σ = 258121660608. Its totient is φ = 48654704000.

The previous prime is 122275307611. The next prime is 122275307621. The reversal of 122275307620 is 26703572221.

It is a self number, because there is not a number n which added to its sum of digits gives 122275307620.

It is not an unprimeable number, because it can be changed into a prime (122275307621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4136814 + ... + 4166266.

It is an arithmetic number, because the mean of its divisors is an integer number (5377534596).

Almost surely, 2^122275307620 is an apocalyptic number.

122275307620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122275307620 is an abundant number, since it is smaller than the sum of its proper divisors (135846352988).

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

122275307620 is a wasteful number, since it uses less digits than its factorization.

122275307620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30540 (or 30538 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 122275307620 its reverse (26703572221), we get a palindrome (148978879841).

The spelling of 122275307620 in words is "one hundred twenty-two billion, two hundred seventy-five million, three hundred seven thousand, six hundred twenty".