212532210122321 has 2 divisors, whose sum is σ = 212532210122322. Its totient is φ = 212532210122320.

The previous prime is 212532210122231. The next prime is 212532210122383. The reversal of 212532210122321 is 123221012235212.

Together with previous prime (212532210122231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137273115082321 + 75259095040000 = 11716361^2 + 8675200^2 .

It is a cyclic number.

It is not a de Polignac number, because 212532210122321 - 2¹⁴ = 212532210105937 is a prime.

It is not a weakly prime, because it can be changed into another prime (212532210122021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106266105061160 + 106266105061161.

It is an arithmetic number, because the mean of its divisors is an integer number (106266105061161).

Almost surely, 2^{212532210122321} is an apocalyptic number.

It is an amenable number.

212532210122321 is a deficient number, since it is larger than the sum of its proper divisors (1).

212532210122321 is an equidigital number, since it uses as much as digits as its factorization.

212532210122321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 212532210122321 its reverse (123221012235212), we get a palindrome (335753222357533).

The spelling of 212532210122321 in words is "two hundred twelve trillion, five hundred thirty-two billion, two hundred ten million, one hundred twenty-two thousand, three hundred twenty-one".