12002002002 has 48 divisors (see below), whose sum is σ = 28070677440. Its totient is φ = 3694765536.

The previous prime is 12002001959. The next prime is 12002002009. The reversal of 12002002002 is 20020020021.

It is a Harshad number since it is a multiple of its sum of digits (9).

12002002002 is a modest number, since divided by 2002002 gives 12 as remainder.

It is not an unprimeable number, because it can be changed into a prime (12002002009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487828 + ... + 511839.

It is an arithmetic number, because the mean of its divisors is an integer number (584805780).

Almost surely, 2^12002002002 is an apocalyptic number.

12002002002 is an abundant number, since it is smaller than the sum of its proper divisors (16068675438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12002002002 is a wasteful number, since it uses less digits than its factorization.

12002002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999727 (or 999724 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 12002002002 its reverse (20020020021), we get a palindrome (32022022023).

The spelling of 12002002002 in words is "twelve billion, two million, two thousand, two".