12221000002019 has 2 divisors, whose sum is σ = 12221000002020. Its totient is φ = 12221000002018.

The previous prime is 12221000001983. The next prime is 12221000002031. The reversal of 12221000002019 is 91020000012221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221000002019 is a prime.

It is a super-2 number, since 2×12221000002019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12221000092019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110500001009 + 6110500001010.

It is an arithmetic number, because the mean of its divisors is an integer number (6110500001010).

Almost surely, 2^{12221000002019} is an apocalyptic number.

12221000002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221000002019 is an equidigital number, since it uses as much as digits as its factorization.

12221000002019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12221000002019 in words is "twelve trillion, two hundred twenty-one billion, two thousand, nineteen".