12210019999 has 2 divisors, whose sum is σ = 12210020000. Its totient is φ = 12210019998.

The previous prime is 12210019993. The next prime is 12210020071. The reversal of 12210019999 is 99991001221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210019999 - 2⁵ = 12210019967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210019993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105009999 + 6105010000.

It is an arithmetic number, because the mean of its divisors is an integer number (6105010000).

Almost surely, 2^12210019999 is an apocalyptic number.

12210019999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210019999 is an equidigital number, since it uses as much as digits as its factorization.

12210019999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 12210019999 in words is "twelve billion, two hundred ten million, nineteen thousand, nine hundred ninety-nine".