213121201312033 has 32 divisors (see below), whose sum is σ = 258033627641088. Its totient is φ = 171837022156800.

The previous prime is 213121201312031. The next prime is 213121201312081. The reversal of 213121201312033 is 330213102121312.

It is not a de Polignac number, because 213121201312033 - 2¹ = 213121201312031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213121201311989 and 213121201312007.

It is not an unprimeable number, because it can be changed into a prime (213121201312031) 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 31 ways as a sum of consecutive naturals, for example, 1883022141 + ... + 1883135317.

It is an arithmetic number, because the mean of its divisors is an integer number (8063550863784).

Almost surely, 2^{213121201312033} is an apocalyptic number.

It is an amenable number.

213121201312033 is a deficient number, since it is larger than the sum of its proper divisors (44912426329055).

213121201312033 is a wasteful number, since it uses less digits than its factorization.

213121201312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121593.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 213121201312033 its reverse (330213102121312), we get a palindrome (543334303433345).

The spelling of 213121201312033 in words is "two hundred thirteen trillion, one hundred twenty-one billion, two hundred one million, three hundred twelve thousand, thirty-three".