222012010220129 has 2 divisors, whose sum is σ = 222012010220130. Its totient is φ = 222012010220128.

The previous prime is 222012010220093. The next prime is 222012010220141. The reversal of 222012010220129 is 921022010210222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192920571472225 + 29091438747904 = 13889585^2 + 5393648^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012010220129 - 2²⁴ = 222011993442913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222012010220098 and 222012010220107.

It is not a weakly prime, because it can be changed into another prime (222012010220729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111006005110064 + 111006005110065.

It is an arithmetic number, because the mean of its divisors is an integer number (111006005110065).

Almost surely, 2^{222012010220129} is an apocalyptic number.

It is an amenable number.

222012010220129 is a deficient number, since it is larger than the sum of its proper divisors (1).

222012010220129 is an equidigital number, since it uses as much as digits as its factorization.

222012010220129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 222012010220129 in words is "two hundred twenty-two trillion, twelve billion, ten million, two hundred twenty thousand, one hundred twenty-nine".