1030322121220 has 96 divisors (see below), whose sum is σ = 2526835110912. Its totient is φ = 345538787328.

The previous prime is 1030322121211. The next prime is 1030322121263. The reversal of 1030322121220 is 221212230301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11648602 + ... + 11736718.

It is an arithmetic number, because the mean of its divisors is an integer number (26321199072).

Almost surely, 2^{1030322121220} is an apocalyptic number.

1030322121220 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 1030322121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263417555456).

1030322121220 is an abundant number, since it is smaller than the sum of its proper divisors (1496512989692).

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

1030322121220 is a wasteful number, since it uses less digits than its factorization.

1030322121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89957 (or 89955 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1030322121220 its reverse (221212230301), we get a palindrome (1251534351521).

The spelling of 1030322121220 in words is "one trillion, thirty billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty".