1330212121033 has 4 divisors (see below), whose sum is σ = 1338684809860. Its totient is φ = 1321739432208.

The previous prime is 1330212121019. The next prime is 1330212121081. The reversal of 1330212121033 is 3301212120331.

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 907279110144 + 422933010889 = 952512^2 + 650333^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330212121033 - 2¹⁷ = 1330211989961 is a prime.

It is a super-2 number, since 2×1330212121033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330212120995 and 1330212121013.

It is not an unprimeable number, because it can be changed into a prime (1330212121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4236344178 + ... + 4236344491.

It is an arithmetic number, because the mean of its divisors is an integer number (334671202465).

Almost surely, 2^{1330212121033} is an apocalyptic number.

It is an amenable number.

1330212121033 is a deficient number, since it is larger than the sum of its proper divisors (8472688827).

1330212121033 is an equidigital number, since it uses as much as digits as its factorization.

1330212121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472688826.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1330212121033 its reverse (3301212120331), we get a palindrome (4631424241364).

The spelling of 1330212121033 in words is "one trillion, three hundred thirty billion, two hundred twelve million, one hundred twenty-one thousand, thirty-three".