212022001189 has 2 divisors, whose sum is σ = 212022001190. Its totient is φ = 212022001188.

The previous prime is 212022001187. The next prime is 212022001271. The reversal of 212022001189 is 981100220212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111310978689 + 100711022500 = 333633^2 + 317350^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022001189 - 2¹ = 212022001187 is a prime.

Together with 212022001187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212022001187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011000594 + 106011000595.

It is an arithmetic number, because the mean of its divisors is an integer number (106011000595).

Almost surely, 2^212022001189 is an apocalyptic number.

It is an amenable number.

212022001189 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022001189 is an equidigital number, since it uses as much as digits as its factorization.

212022001189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 212022001189 in words is "two hundred twelve billion, twenty-two million, one thousand, one hundred eighty-nine".