1330231001220 has 192 divisors, whose sum is σ = 4610782310400. Its totient is φ = 315618894720.

The previous prime is 1330231001189. The next prime is 1330231001233. The reversal of 1330231001220 is 221001320331.

1330231001220 is a `hidden beast` number, since 1 + 330 + 2 + 310 + 0 + 1 + 2 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1330231001193 and 1330231001202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2103210 + ... + 2661569.

It is an arithmetic number, because the mean of its divisors is an integer number (24014491200).

Almost surely, 2^{1330231001220} is an apocalyptic number.

1330231001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330231001220 is an abundant number, since it is smaller than the sum of its proper divisors (3280551309180).

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

1330231001220 is a wasteful number, since it uses less digits than its factorization.

1330231001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764855 (or 4764847 counting only the distinct ones).

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

Adding to 1330231001220 its reverse (221001320331), we get a palindrome (1551232321551).

The spelling of 1330231001220 in words is "one trillion, three hundred thirty billion, two hundred thirty-one million, one thousand, two hundred twenty".