12002111122012 has 48 divisors (see below), whose sum is σ = 23571552100320. Its totient is φ = 5299226496000.

The previous prime is 12002111121977. The next prime is 12002111122031. The reversal of 12002111122012 is 21022111120021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5154937 + ... + 7111792.

It is an arithmetic number, because the mean of its divisors is an integer number (491074002090).

Almost surely, 2^{12002111122012} is an apocalyptic number.

It is an amenable number.

12002111122012 is a deficient number, since it is larger than the sum of its proper divisors (11569440978308).

12002111122012 is a wasteful number, since it uses less digits than its factorization.

12002111122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267382 (or 12267380 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12002111122012 its reverse (21022111120021), we get a palindrome (33024222242033).

The spelling of 12002111122012 in words is "twelve trillion, two billion, one hundred eleven million, one hundred twenty-two thousand, twelve".