212133213289 has 2 divisors, whose sum is σ = 212133213290. Its totient is φ = 212133213288.

The previous prime is 212133213203. The next prime is 212133213323. The reversal of 212133213289 is 982312331212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107475787225 + 104657426064 = 327835^2 + 323508^2 .

It is a cyclic number.

It is not a de Polignac number, because 212133213289 - 2¹⁵ = 212133180521 is a prime.

It is not a weakly prime, because it can be changed into another prime (212133213689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066606644 + 106066606645.

It is an arithmetic number, because the mean of its divisors is an integer number (106066606645).

Almost surely, 2^212133213289 is an apocalyptic number.

It is an amenable number.

212133213289 is a deficient number, since it is larger than the sum of its proper divisors (1).

212133213289 is an equidigital number, since it uses as much as digits as its factorization.

212133213289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The spelling of 212133213289 in words is "two hundred twelve billion, one hundred thirty-three million, two hundred thirteen thousand, two hundred eighty-nine".