12000020002002 has 12 divisors (see below), whose sum is σ = 26000043337710. Its totient is φ = 4000006667328.

The previous prime is 12000020001979. The next prime is 12000020002073. The reversal of 12000020002002 is 20020002000021.

It can be written as a sum of positive squares in only one way, i.e., 9831554651961 + 2168465350041 = 3135531^2 + 1472571^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333333888927 + ... + 333333888962.

Almost surely, 2^{12000020002002} is an apocalyptic number.

12000020002002 is an abundant number, since it is smaller than the sum of its proper divisors (14000023335708).

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

12000020002002 is a wasteful number, since it uses less digits than its factorization.

12000020002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666667777897 (or 666667777894 counting only the distinct ones).

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

Adding to 12000020002002 its reverse (20020002000021), we get a palindrome (32020022002023).

The spelling of 12000020002002 in words is "twelve trillion, twenty million, two thousand, two".