133331213212013 has 4 divisors (see below), whose sum is σ = 133333374688800. Its totient is φ = 133329051735228.

The previous prime is 133331213211949. The next prime is 133331213212049. The reversal of 133331213212013 is 310212312133331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133331213212013 - 2⁶ = 133331213211949 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 (133331213211013) 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, 1080645863 + ... + 1080769236.

It is an arithmetic number, because the mean of its divisors is an integer number (33333343672200).

Almost surely, 2^{133331213212013} is an apocalyptic number.

It is an amenable number.

133331213212013 is a deficient number, since it is larger than the sum of its proper divisors (2161476787).

133331213212013 is an equidigital number, since it uses as much as digits as its factorization.

133331213212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161476786.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 133331213212013 its reverse (310212312133331), we get a palindrome (443543525345344).

The spelling of 133331213212013 in words is "one hundred thirty-three trillion, three hundred thirty-one billion, two hundred thirteen million, two hundred twelve thousand, thirteen".