12210311129 has 2 divisors, whose sum is σ = 12210311130. Its totient is φ = 12210311128.

The previous prime is 12210311111. The next prime is 12210311131. The reversal of 12210311129 is 92111301221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11775505225 + 434805904 = 108515^2 + 20852^2 .

It is an emirp because it is prime and its reverse (92111301221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210311129 - 2⁸ = 12210310873 is a prime.

Together with 12210311131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12210311329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105155564 + 6105155565.

It is an arithmetic number, because the mean of its divisors is an integer number (6105155565).

Almost surely, 2^12210311129 is an apocalyptic number.

It is an amenable number.

12210311129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210311129 is an equidigital number, since it uses as much as digits as its factorization.

12210311129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 12210311129 in words is "twelve billion, two hundred ten million, three hundred eleven thousand, one hundred twenty-nine".