12210579971 has 2 divisors, whose sum is σ = 12210579972. Its totient is φ = 12210579970.

The previous prime is 12210579967. The next prime is 12210579989. The reversal of 12210579971 is 17997501221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210579971 - 2² = 12210579967 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210579991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105289985 + 6105289986.

It is an arithmetic number, because the mean of its divisors is an integer number (6105289986).

Almost surely, 2^12210579971 is an apocalyptic number.

12210579971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210579971 is an equidigital number, since it uses as much as digits as its factorization.

12210579971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 44.

The spelling of 12210579971 in words is "twelve billion, two hundred ten million, five hundred seventy-nine thousand, nine hundred seventy-one".