12301221105 has 24 divisors (see below), whose sum is σ = 21640362432. Its totient is φ = 6462729504.

The previous prime is 12301221047. The next prime is 12301221113. The reversal of 12301221105 is 50112210321.

It is not a de Polignac number, because 12301221105 - 2⁶ = 12301221041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2036989 + ... + 2043018.

It is an arithmetic number, because the mean of its divisors is an integer number (901681768).

Almost surely, 2^12301221105 is an apocalyptic number.

12301221105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12301221105 is a deficient number, since it is larger than the sum of its proper divisors (9339141327).

12301221105 is a wasteful number, since it uses less digits than its factorization.

12301221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080085 (or 4080082 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12301221105 its reverse (50112210321), we get a palindrome (62413431426).

The spelling of 12301221105 in words is "twelve billion, three hundred one million, two hundred twenty-one thousand, one hundred five".