1220030321132 has 12 divisors (see below), whose sum is σ = 2440060642320. Its totient is φ = 522870137616.

The previous prime is 1220030321129. The next prime is 1220030321149. The reversal of 1220030321132 is 2311230300221.

1220030321132 is an admirable number.

It is a super-2 number, since 2×1220030321132² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21786255707 + ... + 21786255762.

It is an arithmetic number, because the mean of its divisors is an integer number (203338386860).

Almost surely, 2^{1220030321132} is an apocalyptic number.

It is an amenable number.

1220030321132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220030321132 is a wasteful number, since it uses less digits than its factorization.

1220030321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43572511480 (or 43572511478 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1220030321132 its reverse (2311230300221), we get a palindrome (3531260621353).

The spelling of 1220030321132 in words is "one trillion, two hundred twenty billion, thirty million, three hundred twenty-one thousand, one hundred thirty-two".