12212201002112 has 32 divisors (see below), whose sum is σ = 24332513223420. Its totient is φ = 6105217291264.

The previous prime is 12212201002063. The next prime is 12212201002171. The reversal of 12212201002112 is 21120010221221.

12212201002112 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 2 ways, for example, as 12116135718976 + 96065283136 = 3480824^2 + 309944^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 6011243 + ... + 7781994.

Almost surely, 2^{12212201002112} is an apocalyptic number.

It is an amenable number.

12212201002112 is a deficient number, since it is larger than the sum of its proper divisors (12120312221308).

12212201002112 is an equidigital number, since it uses as much as digits as its factorization.

12212201002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800168 (or 13800156 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212201002112 its reverse (21120010221221), we get a palindrome (33332211223333).

The spelling of 12212201002112 in words is "twelve trillion, two hundred twelve billion, two hundred one million, two thousand, one hundred twelve".