12021112121002 has 8 divisors (see below), whose sum is σ = 18122279580000. Its totient is φ = 5980352261004.

The previous prime is 12021112120999. The next prime is 12021112121003. The reversal of 12021112121002 is 20012121112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12021112121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15101899252 + ... + 15101900047.

It is an arithmetic number, because the mean of its divisors is an integer number (2265284947500).

Almost surely, 2^{12021112121002} is an apocalyptic number.

12021112121002 is a deficient number, since it is larger than the sum of its proper divisors (6101167458998).

12021112121002 is a wasteful number, since it uses less digits than its factorization.

12021112121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30203799500.

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

Adding to 12021112121002 its reverse (20012121112021), we get a palindrome (32033233233023).

The spelling of 12021112121002 in words is "twelve trillion, twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, two".