12230220202 has 4 divisors (see below), whose sum is σ = 18345330306. Its totient is φ = 6115110100.

The previous prime is 12230220179. The next prime is 12230220217. The reversal of 12230220202 is 20202203221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20202203221 = 823 ⋅24547027.

It can be written as a sum of positive squares in only one way, i.e., 12221523601 + 8696601 = 110551^2 + 2949^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057555049 + ... + 3057555052.

Almost surely, 2^12230220202 is an apocalyptic number.

12230220202 is a deficient number, since it is larger than the sum of its proper divisors (6115110104).

12230220202 is an equidigital number, since it uses as much as digits as its factorization.

12230220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115110103.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12230220202 its reverse (20202203221), we get a palindrome (32432423423).

The spelling of 12230220202 in words is "twelve billion, two hundred thirty million, two hundred twenty thousand, two hundred two".