1220232001330 has 32 divisors (see below), whose sum is σ = 2252018447280. Its totient is φ = 475758535680.

The previous prime is 1220232001321. The next prime is 1220232001343. The reversal of 1220232001330 is 331002320221.

It can be written as a sum of positive squares in 8 ways, for example, as 42848586001 + 1177383415329 = 206999^2 + 1085073^2 .

It is a super-2 number, since 2×1220232001330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220232001298 and 1220232001307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887139 + ... + 1796518.

Almost surely, 2^{1220232001330} is an apocalyptic number.

1220232001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220232001330 is a deficient number, since it is larger than the sum of its proper divisors (1031786445950).

1220232001330 is a wasteful number, since it uses less digits than its factorization.

1220232001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684814.

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

Adding to 1220232001330 its reverse (331002320221), we get a palindrome (1551234321551).

The spelling of 1220232001330 in words is "one trillion, two hundred twenty billion, two hundred thirty-two million, one thousand, three hundred thirty".