12301122112 has 28 divisors (see below), whose sum is σ = 24536540716. Its totient is φ = 6118686720.

The previous prime is 12301122107. The next prime is 12301122133. The reversal of 12301122112 is 21122110321.

It can be written as a sum of positive squares in 2 ways, for example, as 925619776 + 11375502336 = 30424^2 + 106656^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485589 + ... + 510292.

Almost surely, 2^12301122112 is an apocalyptic number.

It is an amenable number.

12301122112 is a deficient number, since it is larger than the sum of its proper divisors (12235418604).

12301122112 is an equidigital number, since it uses as much as digits as its factorization.

12301122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996086 (or 996076 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12301122112 its reverse (21122110321), we get a palindrome (33423232433).

The spelling of 12301122112 in words is "twelve billion, three hundred one million, one hundred twenty-two thousand, one hundred twelve".