505122131225120 has 48 divisors (see below), whose sum is σ = 1193353916565888. Its totient is φ = 202048364609280.

The previous prime is 505122131225111. The next prime is 505122131225137. The reversal of 505122131225120 is 21522131221505.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66723527 + ... + 73907193.

It is an arithmetic number, because the mean of its divisors is an integer number (24861539928456).

Almost surely, 2^{505122131225120} is an apocalyptic number.

It is an amenable number.

505122131225120 is an abundant number, since it is smaller than the sum of its proper divisors (688231785340768).

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

505122131225120 is a wasteful number, since it uses less digits than its factorization.

505122131225120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623153 (or 7623145 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 505122131225120 its reverse (21522131221505), we get a palindrome (526644262446625).

The spelling of 505122131225120 in words is "five hundred five trillion, one hundred twenty-two billion, one hundred thirty-one million, two hundred twenty-five thousand, one hundred twenty".