212326001 has 2 divisors, whose sum is σ = 212326002. Its totient is φ = 212326000.

The previous prime is 212325989. The next prime is 212326019. The reversal of 212326001 is 100623212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118701025 + 93624976 = 10895^2 + 9676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212326001 is a prime.

It is not a weakly prime, because it can be changed into another prime (212326021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106163000 + 106163001.

It is an arithmetic number, because the mean of its divisors is an integer number (106163001).

Almost surely, 2^212326001 is an apocalyptic number.

It is an amenable number.

212326001 is a deficient number, since it is larger than the sum of its proper divisors (1).

212326001 is an equidigital number, since it uses as much as digits as its factorization.

212326001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 212326001 is about 14571.4103984481. The cubic root of 212326001 is about 596.5786770714.

Adding to 212326001 its reverse (100623212), we get a palindrome (312949213).

The spelling of 212326001 in words is "two hundred twelve million, three hundred twenty-six thousand, one".