1220060125800 has 144 divisors (see below), whose sum is σ = 4098480766380. Its totient is φ = 325261056000.

The previous prime is 1220060125793. The next prime is 1220060125829. The reversal of 1220060125800 is 85210600221.

It is a happy number.

1220060125800 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 0 + 601 + 2 + 58 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 385588837764 + 834471288036 = 620958^2 + 913494^2 .

It is a super-2 number, since 2×1220060125800² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6679690 + ... + 6859910.

Almost surely, 2^{1220060125800} is an apocalyptic number.

1220060125800 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 1220060125800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2049240383190).

1220060125800 is an abundant number, since it is smaller than the sum of its proper divisors (2878420640580).

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

1220060125800 is a wasteful number, since it uses less digits than its factorization.

1220060125800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184004 (or 183992 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 1220060125800 in words is "one trillion, two hundred twenty billion, sixty million, one hundred twenty-five thousand, eight hundred".