122250315504520 has 64 divisors (see below), whose sum is σ = 314453245392000. Its totient is φ = 41901688389120.

The previous prime is 122250315504481. The next prime is 122250315504601. The reversal of 122250315504520 is 25405513052221.

It is a self number, because there is not a number n which added to its sum of digits gives 122250315504520.

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, 65249101 + ... + 67096540.

It is an arithmetic number, because the mean of its divisors is an integer number (4913331959250).

Almost surely, 2^{122250315504520} is an apocalyptic number.

122250315504520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122250315504520 is an abundant number, since it is smaller than the sum of its proper divisors (192202929887480).

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

122250315504520 is a wasteful number, since it uses less digits than its factorization.

122250315504520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132348958 (or 132348954 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 122250315504520 its reverse (25405513052221), we get a palindrome (147655828556741).

The spelling of 122250315504520 in words is "one hundred twenty-two trillion, two hundred fifty billion, three hundred fifteen million, five hundred four thousand, five hundred twenty".