12111203021012 has 24 divisors (see below), whose sum is σ = 22452213467040. Its totient is φ = 5700344963040.

The previous prime is 12111203021009. The next prime is 12111203021017. The reversal of 12111203021012 is 21012030211121.

It is a happy number.

12111203021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111203021017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507497414 + ... + 507521277.

It is an arithmetic number, because the mean of its divisors is an integer number (935508894460).

Almost surely, 2^{12111203021012} is an apocalyptic number.

It is an amenable number.

12111203021012 is a deficient number, since it is larger than the sum of its proper divisors (10341010446028).

12111203021012 is a wasteful number, since it uses less digits than its factorization.

12111203021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015018871 (or 1015018869 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12111203021012 its reverse (21012030211121), we get a palindrome (33123233232133).

The spelling of 12111203021012 in words is "twelve trillion, one hundred eleven billion, two hundred three million, twenty-one thousand, twelve".