1220032130320 has 80 divisors (see below), whose sum is σ = 2980988936640. Its totient is φ = 463780864512.

The previous prime is 1220032130299. The next prime is 1220032130423. The reversal of 1220032130320 is 230312300221.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4665430 + ... + 4919989.

It is an arithmetic number, because the mean of its divisors is an integer number (37262361708).

Almost surely, 2^{1220032130320} is an apocalyptic number.

1220032130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220032130320 is an abundant number, since it is smaller than the sum of its proper divisors (1760956806320).

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

1220032130320 is a wasteful number, since it uses less digits than its factorization.

1220032130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585512 (or 9585506 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1220032130320 its reverse (230312300221), we get a palindrome (1450344430541).

The spelling of 1220032130320 in words is "one trillion, two hundred twenty billion, thirty-two million, one hundred thirty thousand, three hundred twenty".