12212029 has 2 divisors, whose sum is σ = 12212030. Its totient is φ = 12212028.

The previous prime is 12212021. The next prime is 12212051. The reversal of 12212029 is 92021221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 122500 = 3477^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212029 - 2³ = 12212021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12211997 and 12212015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106014 + 6106015.

It is an arithmetic number, because the mean of its divisors is an integer number (6106015).

Almost surely, 2^12212029 is an apocalyptic number.

It is an amenable number.

12212029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212029 is an equidigital number, since it uses as much as digits as its factorization.

12212029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12212029 is about 3494.5713614119. The cubic root of 12212029 is about 230.2833872998.

The spelling of 12212029 in words is "twelve million, two hundred twelve thousand, twenty-nine".