12001100112002 has 8 divisors (see below), whose sum is σ = 18016639056012. Its totient is φ = 5995553760000.

The previous prime is 12001100111951. The next prime is 12001100112007. The reversal of 12001100112002 is 20021100110021.

It can be written as a sum of positive squares in 2 ways, for example, as 11583410640481 + 417689471521 = 3403441^2 + 646289^2 .

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 (12001100112007) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2498144999 + ... + 2498149802.

Almost surely, 2^{12001100112002} is an apocalyptic number.

12001100112002 is a deficient number, since it is larger than the sum of its proper divisors (6015538944010).

12001100112002 is a wasteful number, since it uses less digits than its factorization.

12001100112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996296004.

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

Adding to 12001100112002 its reverse (20021100110021), we get a palindrome (32022200222023).

The spelling of 12001100112002 in words is "twelve trillion, one billion, one hundred million, one hundred twelve thousand, two".