212011302361 has 2 divisors, whose sum is σ = 212011302362. Its totient is φ = 212011302360.

The previous prime is 212011302323. The next prime is 212011302389. The reversal of 212011302361 is 163203110212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151725830400 + 60285471961 = 389520^2 + 245531^2 .

It is a cyclic number.

It is not a de Polignac number, because 212011302361 - 2¹¹ = 212011300313 is a prime.

It is not a weakly prime, because it can be changed into another prime (212011362361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005651180 + 106005651181.

It is an arithmetic number, because the mean of its divisors is an integer number (106005651181).

Almost surely, 2^212011302361 is an apocalyptic number.

It is an amenable number.

212011302361 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011302361 is an equidigital number, since it uses as much as digits as its factorization.

212011302361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 212011302361 its reverse (163203110212), we get a palindrome (375214412573).

The spelling of 212011302361 in words is "two hundred twelve billion, eleven million, three hundred two thousand, three hundred sixty-one".