210234124112189 has 2 divisors, whose sum is σ = 210234124112190. Its totient is φ = 210234124112188.

The previous prime is 210234124112107. The next prime is 210234124112203. The reversal of 210234124112189 is 981211421432012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111960904620964 + 98273219491225 = 10581158^2 + 9913285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210234124112189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210234124111189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105117062056094 + 105117062056095.

It is an arithmetic number, because the mean of its divisors is an integer number (105117062056095).

Almost surely, 2^{210234124112189} is an apocalyptic number.

It is an amenable number.

210234124112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

210234124112189 is an equidigital number, since it uses as much as digits as its factorization.

210234124112189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 210234124112189 in words is "two hundred ten trillion, two hundred thirty-four billion, one hundred twenty-four million, one hundred twelve thousand, one hundred eighty-nine".