12012001112 has 8 divisors (see below), whose sum is σ = 22522502100. Its totient is φ = 6006000552.

The previous prime is 12012001103. The next prime is 12012001129. The reversal of 12012001112 is 21110021021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12012001093 and 12012001102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750750062 + ... + 750750077.

Almost surely, 2^12012001112 is an apocalyptic number.

It is an amenable number.

12012001112 is a deficient number, since it is larger than the sum of its proper divisors (10510500988).

12012001112 is a wasteful number, since it uses less digits than its factorization.

12012001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501500145 (or 1501500141 counting only the distinct ones).

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

Adding to 12012001112 its reverse (21110021021), we get a palindrome (33122022133).

The spelling of 12012001112 in words is "twelve billion, twelve million, one thousand, one hundred twelve".