1220003112330 has 48 divisors (see below), whose sum is σ = 3257738049384. Its totient is φ = 316541347200.

The previous prime is 1220003112319. The next prime is 1220003112401. The reversal of 1220003112330 is 332113000221.

1220003112330 is a `hidden beast` number, since 1 + 2 + 20 + 0 + 0 + 311 + 2 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1163790021681 + 56213090649 = 1078791^2 + 237093^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183180321 + ... + 183186980.

Almost surely, 2^{1220003112330} is an apocalyptic number.

1220003112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220003112330 is an abundant number, since it is smaller than the sum of its proper divisors (2037734937054).

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

1220003112330 is a wasteful number, since it uses less digits than its factorization.

1220003112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366367351 (or 366367348 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1220003112330 its reverse (332113000221), we get a palindrome (1552116112551).

The spelling of 1220003112330 in words is "one trillion, two hundred twenty billion, three million, one hundred twelve thousand, three hundred thirty".