125220505544200 has 96 divisors (see below), whose sum is σ = 317665481857920. Its totient is φ = 45526020320000.

The previous prime is 125220505544149. The next prime is 125220505544227. The reversal of 125220505544200 is 2445505022521.

It is a self number, because there is not a number n which added to its sum of digits gives 125220505544200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6067710 + ... + 16948690.

It is an arithmetic number, because the mean of its divisors is an integer number (3309015436020).

Almost surely, 2^{125220505544200} is an apocalyptic number.

125220505544200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125220505544200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158832740928960).

125220505544200 is an abundant number, since it is smaller than the sum of its proper divisors (192444976313720).

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

125220505544200 is a wasteful number, since it uses less digits than its factorization.

125220505544200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886239 (or 10886230 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 125220505544200 in words is "one hundred twenty-five trillion, two hundred twenty billion, five hundred five million, five hundred forty-four thousand, two hundred".