212000122193 has 2 divisors, whose sum is σ = 212000122194. Its totient is φ = 212000122192.

The previous prime is 212000122129. The next prime is 212000122231. The reversal of 212000122193 is 391221000212.

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., 184227233089 + 27772889104 = 429217^2 + 166652^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000122193 - 2⁶ = 212000122129 is a prime.

It is a super-2 number, since 2×212000122193² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212000122793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000061096 + 106000061097.

It is an arithmetic number, because the mean of its divisors is an integer number (106000061097).

Almost surely, 2^212000122193 is an apocalyptic number.

It is an amenable number.

212000122193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000122193 is an equidigital number, since it uses as much as digits as its factorization.

212000122193 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 23.

The spelling of 212000122193 in words is "two hundred twelve billion, one hundred twenty-two thousand, one hundred ninety-three".