1213301033213 has 4 divisors (see below), whose sum is σ = 1213391611740. Its totient is φ = 1213210454688.

The previous prime is 1213301033183. The next prime is 1213301033239. The reversal of 1213301033213 is 3123301033121.

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 207328140889 + 1005972892324 = 455333^2 + 1002982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213301033213 - 2¹⁰ = 1213301032189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213301083213) 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, 45269168 + ... + 45295961.

It is an arithmetic number, because the mean of its divisors is an integer number (303347902935).

Almost surely, 2^{1213301033213} is an apocalyptic number.

It is an amenable number.

1213301033213 is a deficient number, since it is larger than the sum of its proper divisors (90578527).

1213301033213 is an equidigital number, since it uses as much as digits as its factorization.

1213301033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90578526.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1213301033213 its reverse (3123301033121), we get a palindrome (4336602066334).

The spelling of 1213301033213 in words is "one trillion, two hundred thirteen billion, three hundred one million, thirty-three thousand, two hundred thirteen".