212000331061 has 2 divisors, whose sum is σ = 212000331062. Its totient is φ = 212000331060.

The previous prime is 212000330987. The next prime is 212000331089. The reversal of 212000331061 is 160133000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155216300625 + 56784030436 = 393975^2 + 238294^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000331061 - 2¹⁷ = 212000199989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212000371061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000165530 + 106000165531.

It is an arithmetic number, because the mean of its divisors is an integer number (106000165531).

Almost surely, 2^212000331061 is an apocalyptic number.

It is an amenable number.

212000331061 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000331061 is an equidigital number, since it uses as much as digits as its factorization.

212000331061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212000331061 its reverse (160133000212), we get a palindrome (372133331273).

The spelling of 212000331061 in words is "two hundred twelve billion, three hundred thirty-one thousand, sixty-one".