212423233201 has 2 divisors, whose sum is σ = 212423233202. Its totient is φ = 212423233200.

The previous prime is 212423233159. The next prime is 212423233223. The reversal of 212423233201 is 102332324212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109959223201 + 102464010000 = 331601^2 + 320100^2 .

It is a cyclic number.

It is not a de Polignac number, because 212423233201 - 2¹³ = 212423225009 is a prime.

It is not a weakly prime, because it can be changed into another prime (212423233261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106211616600 + 106211616601.

It is an arithmetic number, because the mean of its divisors is an integer number (106211616601).

Almost surely, 2^212423233201 is an apocalyptic number.

It is an amenable number.

212423233201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212423233201 is an equidigital number, since it uses as much as digits as its factorization.

212423233201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212423233201 its reverse (102332324212), we get a palindrome (314755557413).

The spelling of 212423233201 in words is "two hundred twelve billion, four hundred twenty-three million, two hundred thirty-three thousand, two hundred one".