12121022102 has 24 divisors (see below), whose sum is σ = 21156028344. Its totient is φ = 5193230112.

The previous prime is 12121022101. The next prime is 12121022119. The reversal of 12121022102 is 20122012121.

12121022102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367058 + ... + 398714.

It is an arithmetic number, because the mean of its divisors is an integer number (881501181).

Almost surely, 2^12121022102 is an apocalyptic number.

12121022102 is a deficient number, since it is larger than the sum of its proper divisors (9035006242).

12121022102 is a wasteful number, since it uses less digits than its factorization.

12121022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35580 (or 35573 counting only the distinct ones).

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

Adding to 12121022102 its reverse (20122012121), we get a palindrome (32243034223).

The spelling of 12121022102 in words is "twelve billion, one hundred twenty-one million, twenty-two thousand, one hundred two".