212323133201 has 4 divisors (see below), whose sum is σ = 212347634100. Its totient is φ = 212298632304.

The previous prime is 212323133159. The next prime is 212323133213. The reversal of 212323133201 is 102331323212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 170404665601 + 41918467600 = 412801^2 + 204740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212323133201 is a prime.

It is a super-2 number, since 2×212323133201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212323133221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12237446 + ... + 12254783.

It is an arithmetic number, because the mean of its divisors is an integer number (53086908525).

Almost surely, 2^212323133201 is an apocalyptic number.

It is an amenable number.

212323133201 is a deficient number, since it is larger than the sum of its proper divisors (24500899).

212323133201 is an equidigital number, since it uses as much as digits as its factorization.

212323133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24500898.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212323133201 its reverse (102331323212), we get a palindrome (314654456413).

The spelling of 212323133201 in words is "two hundred twelve billion, three hundred twenty-three million, one hundred thirty-three thousand, two hundred one".