12220343029 has 4 divisors (see below), whose sum is σ = 12237776460. Its totient is φ = 12202909600.

The previous prime is 12220343011. The next prime is 12220343059. The reversal of 12220343029 is 92034302221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92034302221 = 47 ⋅1958176643.

It can be written as a sum of positive squares in 2 ways, for example, as 10760950225 + 1459392804 = 103735^2 + 38202^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220343029 - 2⁹ = 12220342517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220342988 and 12220343006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220343059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8715664 + ... + 8717065.

It is an arithmetic number, because the mean of its divisors is an integer number (3059444115).

Almost surely, 2^12220343029 is an apocalyptic number.

It is an amenable number.

12220343029 is a deficient number, since it is larger than the sum of its proper divisors (17433431).

12220343029 is an equidigital number, since it uses as much as digits as its factorization.

12220343029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17433430.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 12220343029 in words is "twelve billion, two hundred twenty million, three hundred forty-three thousand, twenty-nine".