133302121213 has 4 divisors (see below), whose sum is σ = 133776506268. Its totient is φ = 132827736160.

The previous prime is 133302121207. The next prime is 133302121231. The reversal of 133302121213 is 312121203331.

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 61800965604 + 71501155609 = 248598^2 + 267397^2 .

It is a cyclic number.

It is not a de Polignac number, because 133302121213 - 2⁵ = 133302121181 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 (133302121013) 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, 237192106 + ... + 237192667.

It is an arithmetic number, because the mean of its divisors is an integer number (33444126567).

Almost surely, 2^133302121213 is an apocalyptic number.

It is an amenable number.

133302121213 is a deficient number, since it is larger than the sum of its proper divisors (474385055).

133302121213 is an equidigital number, since it uses as much as digits as its factorization.

133302121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474385054.

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

Adding to 133302121213 its reverse (312121203331), we get a palindrome (445423324544).

The spelling of 133302121213 in words is "one hundred thirty-three billion, three hundred two million, one hundred twenty-one thousand, two hundred thirteen".