133512020213 has 16 divisors (see below), whose sum is σ = 159812787456. Its totient is φ = 109924127040.

The previous prime is 133512020153. The next prime is 133512020249. The reversal of 133512020213 is 312020215331.

It is not a de Polignac number, because 133512020213 - 2⁸ = 133512019957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133512020273) 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 15 ways as a sum of consecutive naturals, for example, 8800445 + ... + 8815602.

It is an arithmetic number, because the mean of its divisors is an integer number (9988299216).

Almost surely, 2^133512020213 is an apocalyptic number.

133512020213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133512020213 is a deficient number, since it is larger than the sum of its proper divisors (26300767243).

133512020213 is a wasteful number, since it uses less digits than its factorization.

133512020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17616124.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 133512020213 its reverse (312020215331), we get a palindrome (445532235544).

The spelling of 133512020213 in words is "one hundred thirty-three billion, five hundred twelve million, twenty thousand, two hundred thirteen".