12122121202 has 8 divisors (see below), whose sum is σ = 18363213612. Its totient is φ = 6001050000.

The previous prime is 12122121169. The next prime is 12122121203. The reversal of 12122121202 is 20212122121.

It is a happy number.

12122121202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9728074161 + 2394047041 = 98631^2 + 48929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12122121203) 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 3 ways as a sum of consecutive naturals, for example, 30005049 + ... + 30005452.

Almost surely, 2^12122121202 is an apocalyptic number.

12122121202 is a deficient number, since it is larger than the sum of its proper divisors (6241092410).

12122121202 is a wasteful number, since it uses less digits than its factorization.

12122121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60010604.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122121202 its reverse (20212122121), we get a palindrome (32334243323).

It can be divided in two parts, 12122121 and 202, that multiplied together give a palindrome (2448668442).

The spelling of 12122121202 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred two".