12111002212112 has 10 divisors (see below), whose sum is σ = 23465066785998. Its totient is φ = 6055501106048.

The previous prime is 12111002212061. The next prime is 12111002212117. The reversal of 12111002212112 is 21121220011121.

12111002212112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8547530515456 + 3563471696656 = 2923616^2 + 1887716^2 .

It is not an unprimeable number, because it can be changed into a prime (12111002212117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378468819113 + ... + 378468819144.

Almost surely, 2^{12111002212112} is an apocalyptic number.

It is an amenable number.

12111002212112 is a deficient number, since it is larger than the sum of its proper divisors (11354064573886).

12111002212112 is an equidigital number, since it uses as much as digits as its factorization.

12111002212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756937638265 (or 756937638259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111002212112 its reverse (21121220011121), we get a palindrome (33232222223233).

The spelling of 12111002212112 in words is "twelve trillion, one hundred eleven billion, two million, two hundred twelve thousand, one hundred twelve".