12210109993 has 2 divisors, whose sum is σ = 12210109994. Its totient is φ = 12210109992.

The previous prime is 12210109991. The next prime is 12210110047. The reversal of 12210109993 is 39990101221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12191030569 + 19079424 = 110413^2 + 4368^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210109993 - 2¹ = 12210109991 is a prime.

Together with 12210109991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12210109991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105054996 + 6105054997.

It is an arithmetic number, because the mean of its divisors is an integer number (6105054997).

Almost surely, 2^12210109993 is an apocalyptic number.

It is an amenable number.

12210109993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210109993 is an equidigital number, since it uses as much as digits as its factorization.

12210109993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 12210109993 in words is "twelve billion, two hundred ten million, one hundred nine thousand, nine hundred ninety-three".