13201021212331 has 2 divisors, whose sum is σ = 13201021212332. Its totient is φ = 13201021212330.

The previous prime is 13201021212271. The next prime is 13201021212443. The reversal of 13201021212331 is 13321212010231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13201021212331 - 2¹⁹ = 13201020688043 is a prime.

It is a super-2 number, since 2×13201021212331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13201021012331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600510606165 + 6600510606166.

It is an arithmetic number, because the mean of its divisors is an integer number (6600510606166).

Almost surely, 2^{13201021212331} is an apocalyptic number.

13201021212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201021212331 is an equidigital number, since it uses as much as digits as its factorization.

13201021212331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13201021212331 its reverse (13321212010231), we get a palindrome (26522233222562).

The spelling of 13201021212331 in words is "thirteen trillion, two hundred one billion, twenty-one million, two hundred twelve thousand, three hundred thirty-one".