12012221211002 has 64 divisors (see below), whose sum is σ = 19475520768000. Its totient is φ = 5535848942592.

The previous prime is 12012221210921. The next prime is 12012221211007. The reversal of 12012221211002 is 20011212221021.

12012221211002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (12012221211007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137623399 + ... + 1137633957.

It is an arithmetic number, because the mean of its divisors is an integer number (304305012000).

Almost surely, 2^{12012221211002} is an apocalyptic number.

12012221211002 is a deficient number, since it is larger than the sum of its proper divisors (7463299556998).

12012221211002 is a wasteful number, since it uses less digits than its factorization.

12012221211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743.

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

Adding to 12012221211002 its reverse (20011212221021), we get a palindrome (32023433432023).

The spelling of 12012221211002 in words is "twelve trillion, twelve billion, two hundred twenty-one million, two hundred eleven thousand, two".