12122121202012 has 12 divisors (see below), whose sum is σ = 21731119716096. Its totient is φ = 5913229854560.

The previous prime is 12122121201961. The next prime is 12122121202019. The reversal of 12122121202012 is 21020212122121.

12122121202012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122121202019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36957686428 + ... + 36957686755.

It is an arithmetic number, because the mean of its divisors is an integer number (1810926643008).

Almost surely, 2^{12122121202012} is an apocalyptic number.

It is an amenable number.

12122121202012 is a deficient number, since it is larger than the sum of its proper divisors (9608998514084).

12122121202012 is a wasteful number, since it uses less digits than its factorization.

12122121202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73915373228 (or 73915373226 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122121202012 its reverse (21020212122121), we get a palindrome (33142333324133).

The spelling of 12122121202012 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, twelve".