133332220120213 has 4 divisors (see below), whose sum is σ = 133348301689248. Its totient is φ = 133316138551180.

The previous prime is 133332220120199. The next prime is 133332220120279. The reversal of 133332220120213 is 312021022233331.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-133332220120213 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 (133332220100213) 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, 8040772081 + ... + 8040788662.

It is an arithmetic number, because the mean of its divisors is an integer number (33337075422312).

Almost surely, 2^{133332220120213} is an apocalyptic number.

It is an amenable number.

133332220120213 is a deficient number, since it is larger than the sum of its proper divisors (16081569035).

133332220120213 is an equidigital number, since it uses as much as digits as its factorization.

133332220120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081569034.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133332220120213 its reverse (312021022233331), we get a palindrome (445353242353544).

The spelling of 133332220120213 in words is "one hundred thirty-three trillion, three hundred thirty-two billion, two hundred twenty million, one hundred twenty thousand, two hundred thirteen".