12121211022002 has 8 divisors (see below), whose sum is σ = 18181975707036. Its totient is φ = 6060552452992.

The previous prime is 12121211021869. The next prime is 12121211022013. The reversal of 12121211022002 is 20022011212121.

It can be written as a sum of positive squares in 2 ways, for example, as 12120626397961 + 584624041 = 3481469^2 + 24179^2 .

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

It is an unprimeable number.

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, 26242823 + ... + 26700714.

Almost surely, 2^{12121211022002} is an apocalyptic number.

12121211022002 is a deficient number, since it is larger than the sum of its proper divisors (6060764685034).

12121211022002 is a wasteful number, since it uses less digits than its factorization.

12121211022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53058012.

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

Adding to 12121211022002 its reverse (20022011212121), we get a palindrome (32143222234123).

The spelling of 12121211022002 in words is "twelve trillion, one hundred twenty-one billion, two hundred eleven million, twenty-two thousand, two".