12121000210102 has 8 divisors (see below), whose sum is σ = 20778857503056. Its totient is φ = 5194714375752.

The previous prime is 12121000210073. The next prime is 12121000210157. The reversal of 12121000210102 is 20101200012121.

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

It is a congruent number.

It is an unprimeable number.

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, 432892864633 + ... + 432892864660.

It is an arithmetic number, because the mean of its divisors is an integer number (2597357187882).

Almost surely, 2^{12121000210102} is an apocalyptic number.

12121000210102 is a deficient number, since it is larger than the sum of its proper divisors (8657857292954).

12121000210102 is an equidigital number, since it uses as much as digits as its factorization.

12121000210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865785729302.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12121000210102 its reverse (20101200012121), we get a palindrome (32222200222223).

The spelling of 12121000210102 in words is "twelve trillion, one hundred twenty-one billion, two hundred ten thousand, one hundred two".