1330235043121 has 4 divisors (see below), whose sum is σ = 1331955917172. Its totient is φ = 1328514169072.

The previous prime is 1330235043119. The next prime is 1330235043127. The reversal of 1330235043121 is 1213405320331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 642504846096 + 687730197025 = 801564^2 + 829295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330235043121 - 2¹ = 1330235043119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330235043121.

It is not an unprimeable number, because it can be changed into a prime (1330235043127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 860435866 + ... + 860437411.

It is an arithmetic number, because the mean of its divisors is an integer number (332988979293).

Almost surely, 2^{1330235043121} is an apocalyptic number.

It is an amenable number.

1330235043121 is a deficient number, since it is larger than the sum of its proper divisors (1720874051).

1330235043121 is an equidigital number, since it uses as much as digits as its factorization.

1330235043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720874050.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 1330235043121 in words is "one trillion, three hundred thirty billion, two hundred thirty-five million, forty-three thousand, one hundred twenty-one".