12098179109 has 2 divisors, whose sum is σ = 12098179110. Its totient is φ = 12098179108.

The previous prime is 12098179069. The next prime is 12098179127. The reversal of 12098179109 is 90197189021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11953048900 + 145130209 = 109330^2 + 12047^2 .

It is a cyclic number.

It is not a de Polignac number, because 12098179109 - 2²⁰ = 12097130533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12098179309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049089554 + 6049089555.

It is an arithmetic number, because the mean of its divisors is an integer number (6049089555).

Almost surely, 2^12098179109 is an apocalyptic number.

It is an amenable number.

12098179109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12098179109 is an equidigital number, since it uses as much as digits as its factorization.

12098179109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 47.

The spelling of 12098179109 in words is "twelve billion, ninety-eight million, one hundred seventy-nine thousand, one hundred nine".