12300021109 has 2 divisors, whose sum is σ = 12300021110. Its totient is φ = 12300021108.

The previous prime is 12300021103. The next prime is 12300021131. The reversal of 12300021109 is 90112000321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9621648100 + 2678373009 = 98090^2 + 51753^2 .

It is a cyclic number.

It is not a de Polignac number, because 12300021109 - 2⁷ = 12300020981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12300021103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150010554 + 6150010555.

It is an arithmetic number, because the mean of its divisors is an integer number (6150010555).

Almost surely, 2^12300021109 is an apocalyptic number.

It is an amenable number.

12300021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300021109 is an equidigital number, since it uses as much as digits as its factorization.

12300021109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 12300021109 in words is "twelve billion, three hundred million, twenty-one thousand, one hundred nine".