12243221058 has 64 divisors (see below), whose sum is σ = 26100223488. Its totient is φ = 3815424000.

The previous prime is 12243221051. The next prime is 12243221059. The reversal of 12243221058 is 85012234221.

It is not an unprimeable number, because it can be changed into a prime (12243221051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16302183 + ... + 16302933.

It is an arithmetic number, because the mean of its divisors is an integer number (407815992).

Almost surely, 2^12243221058 is an apocalyptic number.

12243221058 is an abundant number, since it is smaller than the sum of its proper divisors (13857002430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243221058 is a wasteful number, since it uses less digits than its factorization.

12243221058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 12243221058 its reverse (85012234221), we get a palindrome (97255455279).

The spelling of 12243221058 in words is "twelve billion, two hundred forty-three million, two hundred twenty-one thousand, fifty-eight".