12201112107 has 8 divisors (see below), whose sum is σ = 18075721680. Its totient is φ = 8134074720.

The previous prime is 12201112073. The next prime is 12201112111. The reversal of 12201112107 is 70121110221.

It is not a de Polignac number, because 12201112107 - 2¹⁵ = 12201079339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201112107.

It is not an unprimeable number, because it can be changed into a prime (12201112207) 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 7 ways as a sum of consecutive naturals, for example, 225946494 + ... + 225946547.

It is an arithmetic number, because the mean of its divisors is an integer number (2259465210).

Almost surely, 2^12201112107 is an apocalyptic number.

12201112107 is a deficient number, since it is larger than the sum of its proper divisors (5874609573).

12201112107 is an equidigital number, since it uses as much as digits as its factorization.

12201112107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451893050 (or 451893044 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 12201112107 its reverse (70121110221), we get a palindrome (82322222328).

The spelling of 12201112107 in words is "twelve billion, two hundred one million, one hundred twelve thousand, one hundred seven".