1220075585250 has 128 divisors (see below), whose sum is σ = 3091684377600. Its totient is φ = 320419756800.

The previous prime is 1220075585231. The next prime is 1220075585273. The reversal of 1220075585250 is 525855700221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23496316 + ... + 23548184.

It is an arithmetic number, because the mean of its divisors is an integer number (24153784200).

Almost surely, 2^{1220075585250} is an apocalyptic number.

1220075585250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220075585250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545842188800).

1220075585250 is an abundant number, since it is smaller than the sum of its proper divisors (1871608792350).

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

1220075585250 is a wasteful number, since it uses less digits than its factorization.

1220075585250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52365 (or 52355 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 42.

The spelling of 1220075585250 in words is "one trillion, two hundred twenty billion, seventy-five million, five hundred eighty-five thousand, two hundred fifty".