212000001061 has 2 divisors, whose sum is σ = 212000001062. Its totient is φ = 212000001060.

The previous prime is 212000000977. The next prime is 212000001079. The reversal of 212000001061 is 160100000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128113884900 + 83886116161 = 357930^2 + 289631^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000001061 - 2³⁵ = 177640262693 is a prime.

It is a super-2 number, since 2×212000001061² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212000001361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000000530 + 106000000531.

It is an arithmetic number, because the mean of its divisors is an integer number (106000000531).

Almost surely, 2^212000001061 is an apocalyptic number.

It is an amenable number.

212000001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000001061 is an equidigital number, since it uses as much as digits as its factorization.

212000001061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212000001061 its reverse (160100000212), we get a palindrome (372100001273).

The spelling of 212000001061 in words is "two hundred twelve billion, one thousand, sixty-one".