12120102 has 12 divisors (see below), whose sum is σ = 26260260. Its totient is φ = 4040028.

The previous prime is 12120091. The next prime is 12120179. The reversal of 12120102 is 20102121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336652 + ... + 336687.

It is an arithmetic number, because the mean of its divisors is an integer number (2188355).

Almost surely, 2^12120102 is an apocalyptic number.

12120102 is an abundant number, since it is smaller than the sum of its proper divisors (14140158).

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

12120102 is a wasteful number, since it uses less digits than its factorization.

12120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673347 (or 673344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 12120102 is about 3481.3936864423. The cubic root of 12120102 is about 229.7041059492.

Adding to 12120102 its reverse (20102121), we get a palindrome (32222223).

It can be divided in two parts, 121 and 20102, that multiplied together give a palindrome (2432342).

The spelling of 12120102 in words is "twelve million, one hundred twenty thousand, one hundred two".