1220094128850 has 96 divisors (see below), whose sum is σ = 3133738285056. Its totient is φ = 313950772800.

The previous prime is 1220094128839. The next prime is 1220094128863. The reversal of 1220094128850 is 588214900221.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 718204 + ... + 1719303.

It is an arithmetic number, because the mean of its divisors is an integer number (32643107136).

Almost surely, 2^{1220094128850} is an apocalyptic number.

1220094128850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220094128850 is an abundant number, since it is smaller than the sum of its proper divisors (1913644156206).

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

1220094128850 is a wasteful number, since it uses less digits than its factorization.

1220094128850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437640 (or 2437635 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 1220094128850 in words is "one trillion, two hundred twenty billion, ninety-four million, one hundred twenty-eight thousand, eight hundred fifty".