12210099999971 has 2 divisors, whose sum is σ = 12210099999972. Its totient is φ = 12210099999970.

The previous prime is 12210099999887. The next prime is 12210100000001. The reversal of 12210099999971 is 17999999001221.

12210099999971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12210099999971 - 2¹⁸ = 12210099737827 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210099992971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105049999985 + 6105049999986.

It is an arithmetic number, because the mean of its divisors is an integer number (6105049999986).

Almost surely, 2^{12210099999971} is an apocalyptic number.

12210099999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210099999971 is an equidigital number, since it uses as much as digits as its factorization.

12210099999971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14880348, while the sum is 68.

The spelling of 12210099999971 in words is "twelve trillion, two hundred ten billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-one".