125221244100020 has 48 divisors (see below), whose sum is σ = 265600475376768. Its totient is φ = 49586549001600.

The previous prime is 125221244099953. The next prime is 125221244100067. The reversal of 125221244100020 is 20001442122521.

125221244100020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 12890657 + ... + 20411063.

It is an arithmetic number, because the mean of its divisors is an integer number (5533343237016).

Almost surely, 2^{125221244100020} is an apocalyptic number.

125221244100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125221244100020 is an abundant number, since it is smaller than the sum of its proper divisors (140379231276748).

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

125221244100020 is a wasteful number, since it uses less digits than its factorization.

125221244100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528760 (or 7528758 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 125221244100020 its reverse (20001442122521), we get a palindrome (145222686222541).

The spelling of 125221244100020 in words is "one hundred twenty-five trillion, two hundred twenty-one billion, two hundred forty-four million, one hundred thousand, twenty".