212013103189 has 2 divisors, whose sum is σ = 212013103190. Its totient is φ = 212013103188.

The previous prime is 212013103139. The next prime is 212013103231. The reversal of 212013103189 is 981301310212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160506800689 + 51506302500 = 400633^2 + 226950^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013103189 - 2⁷ = 212013103061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212013103189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013103139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006551594 + 106006551595.

It is an arithmetic number, because the mean of its divisors is an integer number (106006551595).

Almost surely, 2^212013103189 is an apocalyptic number.

It is an amenable number.

212013103189 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013103189 is an equidigital number, since it uses as much as digits as its factorization.

212013103189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 212013103189 in words is "two hundred twelve billion, thirteen million, one hundred three thousand, one hundred eighty-nine".