125500310522020 has 96 divisors (see below), whose sum is σ = 307363835116800. Its totient is φ = 43026418874880.

The previous prime is 125500310522011. The next prime is 125500310522029. The reversal of 125500310522020 is 20225013005521.

It is an interprime number because it is at equal distance from previous prime (125500310522011) and next prime (125500310522029).

It is a super-2 number, since 2×125500310522020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 125500310522020.

It is not an unprimeable number, because it can be changed into a prime (125500310522029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 132894747 + ... + 133835773.

It is an arithmetic number, because the mean of its divisors is an integer number (3201706615800).

Almost surely, 2^{125500310522020} is an apocalyptic number.

125500310522020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125500310522020 is an abundant number, since it is smaller than the sum of its proper divisors (181863524594780).

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

125500310522020 is a wasteful number, since it uses less digits than its factorization.

125500310522020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960498 (or 960482 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 125500310522020 its reverse (20225013005521), we get a palindrome (145725323527541).

The spelling of 125500310522020 in words is "one hundred twenty-five trillion, five hundred billion, three hundred ten million, five hundred twenty-two thousand, twenty".