12210020071 has 2 divisors, whose sum is σ = 12210020072. Its totient is φ = 12210020070.

The previous prime is 12210019999. The next prime is 12210020089. The reversal of 12210020071 is 17002001221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210020071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210020171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105010035 + 6105010036.

It is an arithmetic number, because the mean of its divisors is an integer number (6105010036).

Almost surely, 2^12210020071 is an apocalyptic number.

12210020071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210020071 is an equidigital number, since it uses as much as digits as its factorization.

12210020071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 12210020071 its reverse (17002001221), we get a palindrome (29212021292).

The spelling of 12210020071 in words is "twelve billion, two hundred ten million, twenty thousand, seventy-one".