12121020200102 has 24 divisors (see below), whose sum is σ = 20312274629136. Its totient is φ = 5419234062000.

The previous prime is 12121020200087. The next prime is 12121020200183. The reversal of 12121020200102 is 20100202012121.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 410533274 + ... + 410562797.

It is an arithmetic number, because the mean of its divisors is an integer number (846344776214).

Almost surely, 2^{12121020200102} is an apocalyptic number.

12121020200102 is a deficient number, since it is larger than the sum of its proper divisors (8191254429034).

12121020200102 is a wasteful number, since it uses less digits than its factorization.

12121020200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821096156 (or 821096145 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12121020200102 its reverse (20100202012121), we get a palindrome (32221222212223).

The spelling of 12121020200102 in words is "twelve trillion, one hundred twenty-one billion, twenty million, two hundred thousand, one hundred two".