12002220121012 has 24 divisors (see below), whose sum is σ = 22913529905952. Its totient is φ = 5455506842400.

The previous prime is 12002220120997. The next prime is 12002220121037. The reversal of 12002220121012 is 21012102220021.

It is a happy number.

12002220121012 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4159087 + ... + 6426697.

It is an arithmetic number, because the mean of its divisors is an integer number (954730412748).

Almost surely, 2^{12002220121012} is an apocalyptic number.

It is an amenable number.

12002220121012 is a deficient number, since it is larger than the sum of its proper divisors (10911309784940).

12002220121012 is a wasteful number, since it uses less digits than its factorization.

12002220121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387919 (or 2387917 counting only the distinct ones).

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

Adding to 12002220121012 its reverse (21012102220021), we get a palindrome (33014322341033).

The spelling of 12002220121012 in words is "twelve trillion, two billion, two hundred twenty million, one hundred twenty-one thousand, twelve".