212532210122231 has 2 divisors, whose sum is σ = 212532210122232. Its totient is φ = 212532210122230.

The previous prime is 212532210122227. The next prime is 212532210122321. The reversal of 212532210122231 is 132221012235212.

212532210122231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (212532210122321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212532210122231 - 2² = 212532210122227 is a prime.

It is a super-2 number, since 2×212532210122231² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 212532210122194 and 212532210122203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212532210124231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106266105061115 + 106266105061116.

It is an arithmetic number, because the mean of its divisors is an integer number (106266105061116).

Almost surely, 2^{212532210122231} is an apocalyptic number.

212532210122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

212532210122231 is an equidigital number, since it uses as much as digits as its factorization.

212532210122231 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 212532210122231 its reverse (132221012235212), we get a palindrome (344753222357443).

The spelling of 212532210122231 in words is "two hundred twelve trillion, five hundred thirty-two billion, two hundred ten million, one hundred twenty-two thousand, two hundred thirty-one".