12002012221012 has 48 divisors (see below), whose sum is σ = 23573559804480. Its totient is φ = 5298686150400.

The previous prime is 12002012221009. The next prime is 12002012221033. The reversal of 12002012221012 is 21012221020021.

It is a happy number.

It is a super-2 number, since 2×12002012221012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5551914 + ... + 7404577.

It is an arithmetic number, because the mean of its divisors is an integer number (491115829260).

Almost surely, 2^{12002012221012} is an apocalyptic number.

It is an amenable number.

12002012221012 is a deficient number, since it is larger than the sum of its proper divisors (11571547583468).

12002012221012 is a wasteful number, since it uses less digits than its factorization.

12002012221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957112 (or 12957110 counting only the distinct ones).

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

Adding to 12002012221012 its reverse (21012221020021), we get a palindrome (33014233241033).

The spelling of 12002012221012 in words is "twelve trillion, two billion, twelve million, two hundred twenty-one thousand, twelve".