1000320222120 has 32 divisors (see below), whose sum is σ = 3000960666720. Its totient is φ = 266752059200.

The previous prime is 1000320222089. The next prime is 1000320222137. The reversal of 1000320222120 is 212220230001.

It is a happy number.

It is a super-2 number, since 2×1000320222120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1000320222120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4168000806 + ... + 4168001045.

It is an arithmetic number, because the mean of its divisors is an integer number (93780020835).

Almost surely, 2^{1000320222120} is an apocalyptic number.

1000320222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000320222120 is an abundant number, since it is smaller than the sum of its proper divisors (2000640444600).

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

1000320222120 is a wasteful number, since it uses less digits than its factorization.

1000320222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336001865 (or 8336001861 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1000320222120 its reverse (212220230001), we get a palindrome (1212540452121).

The spelling of 1000320222120 in words is "one trillion, three hundred twenty million, two hundred twenty-two thousand, one hundred twenty".