12221032307 has 6 divisors (see below), whose sum is σ = 13433035644. Its totient is φ = 11110029260.

The previous prime is 12221032277. The next prime is 12221032331. The reversal of 12221032307 is 70323012221.

It is not a de Polignac number, because 12221032307 - 2¹⁰ = 12221031283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221032387) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 50500013 + ... + 50500254.

It is an arithmetic number, because the mean of its divisors is an integer number (2238839274).

Almost surely, 2^12221032307 is an apocalyptic number.

12221032307 is a deficient number, since it is larger than the sum of its proper divisors (1212003337).

12221032307 is a wasteful number, since it uses less digits than its factorization.

12221032307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000289 (or 101000278 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 12221032307 its reverse (70323012221), we get a palindrome (82544044528).

The spelling of 12221032307 in words is "twelve billion, two hundred twenty-one million, thirty-two thousand, three hundred seven".