12121112022102 has 48 divisors (see below), whose sum is σ = 26295493086720. Its totient is φ = 4035283959600.

The previous prime is 12121112022077. The next prime is 12121112022133. The reversal of 12121112022102 is 20122021112121.

12121112022102 is a `hidden beast` number, since 121 + 211 + 120 + 2 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 47618227 + ... + 47872097.

It is an arithmetic number, because the mean of its divisors is an integer number (547822772640).

Almost surely, 2^{12121112022102} is an apocalyptic number.

12121112022102 is an abundant number, since it is smaller than the sum of its proper divisors (14174381064618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121112022102 is a wasteful number, since it uses less digits than its factorization.

12121112022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257209 (or 257206 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12121112022102 its reverse (20122021112121), we get a palindrome (32243133134223).

The spelling of 12121112022102 in words is "twelve trillion, one hundred twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred two".