12002020012 has 24 divisors (see below), whose sum is σ = 21388061520. Its totient is φ = 5891417280.

The previous prime is 12002020007. The next prime is 12002020013. The reversal of 12002020012 is 21002020021.

It is not an unprimeable number, because it can be changed into a prime (12002020013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145062 + ... + 212242.

It is an arithmetic number, because the mean of its divisors is an integer number (891169230).

Almost surely, 2^12002020012 is an apocalyptic number.

It is an amenable number.

12002020012 is a deficient number, since it is larger than the sum of its proper divisors (9386041508).

12002020012 is a wasteful number, since it uses less digits than its factorization.

12002020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68001 (or 67999 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12002020012 its reverse (21002020021), we get a palindrome (33004040033).

Subtracting 12002020012 from its reverse (21002020021), we obtain a palindrome (9000000009).

The spelling of 12002020012 in words is "twelve billion, two million, twenty thousand, twelve".