12212211021029 has 2 divisors, whose sum is σ = 12212211021030. Its totient is φ = 12212211021028.

The previous prime is 12212211021013. The next prime is 12212211021071. The reversal of 12212211021029 is 92012011221221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8592971116129 + 3619239904900 = 2931377^2 + 1902430^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212211021029 - 2⁴ = 12212211021013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12212211020989 and 12212211021007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212211021629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106105510514 + 6106105510515.

It is an arithmetic number, because the mean of its divisors is an integer number (6106105510515).

Almost surely, 2^{12212211021029} is an apocalyptic number.

It is an amenable number.

12212211021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212211021029 is an equidigital number, since it uses as much as digits as its factorization.

12212211021029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12212211021029 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, twenty-one thousand, twenty-nine".