1330021342243 has 16 divisors (see below), whose sum is σ = 1469068094592. Its totient is φ = 1194010200000.

The previous prime is 1330021342229. The next prime is 1330021342261. The reversal of 1330021342243 is 3422431200331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1330021342243 - 2³³ = 1321431407651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330021345243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731583 + ... + 2378743.

It is an arithmetic number, because the mean of its divisors is an integer number (91816755912).

Almost surely, 2^{1330021342243} is an apocalyptic number.

1330021342243 is a deficient number, since it is larger than the sum of its proper divisors (139046752349).

1330021342243 is a wasteful number, since it uses less digits than its factorization.

1330021342243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649506.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1330021342243 its reverse (3422431200331), we get a palindrome (4752452542574).

The spelling of 1330021342243 in words is "one trillion, three hundred thirty billion, twenty-one million, three hundred forty-two thousand, two hundred forty-three".