12123120202 has 16 divisors (see below), whose sum is σ = 19149127200. Its totient is φ = 5740323120.

The previous prime is 12123120197. The next prime is 12123120277. The reversal of 12123120202 is 20202132121.

It is a happy number.

12123120202 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41052 + ... + 161032.

It is an arithmetic number, because the mean of its divisors is an integer number (1196820450).

Almost surely, 2^12123120202 is an apocalyptic number.

12123120202 is a deficient number, since it is larger than the sum of its proper divisors (7026006998).

12123120202 is a wasteful number, since it uses less digits than its factorization.

12123120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122661.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12123120202 its reverse (20202132121), we get a palindrome (32325252323).

The spelling of 12123120202 in words is "twelve billion, one hundred twenty-three million, one hundred twenty thousand, two hundred two".