12001102112 has 12 divisors (see below), whose sum is σ = 23627169846. Its totient is φ = 6000551040.

The previous prime is 12001102079. The next prime is 12001102189. The reversal of 12001102112 is 21120110021.

It can be written as a sum of positive squares in only one way, i.e., 7124035216 + 4877066896 = 84404^2 + 69836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12001102093 and 12001102102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187517189 + ... + 187517252.

Almost surely, 2^12001102112 is an apocalyptic number.

It is an amenable number.

12001102112 is a deficient number, since it is larger than the sum of its proper divisors (11626067734).

12001102112 is an equidigital number, since it uses as much as digits as its factorization.

12001102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375034451 (or 375034443 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001102112 its reverse (21120110021), we get a palindrome (33121212133).

The spelling of 12001102112 in words is "twelve billion, one million, one hundred two thousand, one hundred twelve".