133221012133213 has 2 divisors, whose sum is σ = 133221012133214. Its totient is φ = 133221012133212.

The previous prime is 133221012133201. The next prime is 133221012133217. The reversal of 133221012133213 is 312331210122331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130591824471684 + 2629187661529 = 11427678^2 + 1621477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133221012133213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133221012133217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66610506066606 + 66610506066607.

It is an arithmetic number, because the mean of its divisors is an integer number (66610506066607).

Almost surely, 2^{133221012133213} is an apocalyptic number.

It is an amenable number.

133221012133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

133221012133213 is an equidigital number, since it uses as much as digits as its factorization.

133221012133213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 133221012133213 its reverse (312331210122331), we get a palindrome (445552222255544).

The spelling of 133221012133213 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, twelve million, one hundred thirty-three thousand, two hundred thirteen".