12001201022 has 16 divisors (see below), whose sum is σ = 18877663440. Its totient is φ = 5714315712.

The previous prime is 12001201019. The next prime is 12001201031. The reversal of 12001201022 is 22010210021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12001200994 and 12001201012.

It is a congruent number.

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, 1413008 + ... + 1421475.

It is an arithmetic number, because the mean of its divisors is an integer number (1179853965).

Almost surely, 2^12001201022 is an apocalyptic number.

12001201022 is a deficient number, since it is larger than the sum of its proper divisors (6876462418).

12001201022 is a wasteful number, since it uses less digits than its factorization.

12001201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834587.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12001201022 its reverse (22010210021), we get a palindrome (34011411043).

The spelling of 12001201022 in words is "twelve billion, one million, two hundred one thousand, twenty-two".