122020522245 has 24 divisors (see below), whose sum is σ = 211510378872. Its totient is φ = 65075107200.

The previous prime is 122020522157. The next prime is 122020522271. The reversal of 122020522245 is 542225020221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4238400609 + 117782121636 = 65103^2 + 343194^2 .

It is not a de Polignac number, because 122020522245 - 2¹³ = 122020514053 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2169175 + ... + 2224715.

It is an arithmetic number, because the mean of its divisors is an integer number (8812932453).

Almost surely, 2^122020522245 is an apocalyptic number.

122020522245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122020522245 is a deficient number, since it is larger than the sum of its proper divisors (89489856627).

122020522245 is a wasteful number, since it uses less digits than its factorization.

122020522245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104373 (or 104370 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 122020522245 its reverse (542225020221), we get a palindrome (664245542466).

The spelling of 122020522245 in words is "one hundred twenty-two billion, twenty million, five hundred twenty-two thousand, two hundred forty-five".