212303232133 has 16 divisors (see below), whose sum is σ = 221651032176. Its totient is φ = 203156328960.

The previous prime is 212303232109. The next prime is 212303232151. The reversal of 212303232133 is 331232303212.

It can be written as a sum of positive squares in 8 ways, for example, as 1569902884 + 210733329249 = 39622^2 + 459057^2 .

It is a cyclic number.

It is not a de Polignac number, because 212303232133 - 2²⁵ = 212269677701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212303232098 and 212303232107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303232833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8359891 + ... + 8385247.

It is an arithmetic number, because the mean of its divisors is an integer number (13853189511).

Almost surely, 2^212303232133 is an apocalyptic number.

It is an amenable number.

212303232133 is a deficient number, since it is larger than the sum of its proper divisors (9347800043).

212303232133 is a wasteful number, since it uses less digits than its factorization.

212303232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29304.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 212303232133 its reverse (331232303212), we get a palindrome (543535535345).

The spelling of 212303232133 in words is "two hundred twelve billion, three hundred three million, two hundred thirty-two thousand, one hundred thirty-three".