12001200212122 has 16 divisors (see below), whose sum is σ = 19821863395872. Its totient is φ = 5404108845520.

The previous prime is 12001200212047. The next prime is 12001200212137. The reversal of 12001200212122 is 22121200210021.

It is a happy number.

12001200212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12001200212096 and 12001200212105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549105593 + ... + 2549110300.

It is an arithmetic number, because the mean of its divisors is an integer number (1238866462242).

Almost surely, 2^{12001200212122} is an apocalyptic number.

12001200212122 is a deficient number, since it is larger than the sum of its proper divisors (7820663183750).

12001200212122 is a wasteful number, since it uses less digits than its factorization.

12001200212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098216013.

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

Adding to 12001200212122 its reverse (22121200210021), we get a palindrome (34122400422143).

The spelling of 12001200212122 in words is "twelve trillion, one billion, two hundred million, two hundred twelve thousand, one hundred twenty-two".