212332232223121 has 2 divisors, whose sum is σ = 212332232223122. Its totient is φ = 212332232223120.

The previous prime is 212332232223107. The next prime is 212332232223149. The reversal of 212332232223121 is 121322232233212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192519371268225 + 19812860954896 = 13875135^2 + 4451164^2 .

It is a cyclic number.

It is not a de Polignac number, because 212332232223121 - 2²¹ = 212332230125969 is a prime.

It is not a weakly prime, because it can be changed into another prime (212332232223721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166116111560 + 106166116111561.

It is an arithmetic number, because the mean of its divisors is an integer number (106166116111561).

Almost surely, 2^{212332232223121} is an apocalyptic number.

It is an amenable number.

212332232223121 is a deficient number, since it is larger than the sum of its proper divisors (1).

212332232223121 is an equidigital number, since it uses as much as digits as its factorization.

212332232223121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

Adding to 212332232223121 its reverse (121322232233212), we get a palindrome (333654464456333).

The spelling of 212332232223121 in words is "two hundred twelve trillion, three hundred thirty-two billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred twenty-one".