12210019 has 2 divisors, whose sum is σ = 12210020. Its totient is φ = 12210018.

The previous prime is 12210007. The next prime is 12210041. The reversal of 12210019 is 91001221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210019 - 2¹⁷ = 12078947 is a prime.

It is a super-2 number, since 2×12210019² = 298169127960722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12209984 and 12210011.

It is not a weakly prime, because it can be changed into another prime (12210059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105009 + 6105010.

It is an arithmetic number, because the mean of its divisors is an integer number (6105010).

Almost surely, 2^12210019 is an apocalyptic number.

12210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210019 is an equidigital number, since it uses as much as digits as its factorization.

12210019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 12210019 is about 3494.2837606583. The cubic root of 12210019 is about 230.2707523531.

The spelling of 12210019 in words is "twelve million, two hundred ten thousand, nineteen".