12210121139 has 2 divisors, whose sum is σ = 12210121140. Its totient is φ = 12210121138.

The previous prime is 12210121081. The next prime is 12210121163. The reversal of 12210121139 is 93112101221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12210121139 - 2³² = 7915153843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12210121199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105060569 + 6105060570.

It is an arithmetic number, because the mean of its divisors is an integer number (6105060570).

Almost surely, 2^12210121139 is an apocalyptic number.

12210121139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210121139 is an equidigital number, since it uses as much as digits as its factorization.

12210121139 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 12210121139 in words is "twelve billion, two hundred ten million, one hundred twenty-one thousand, one hundred thirty-nine".