12003012012 has 24 divisors (see below), whose sum is σ = 28050333696. Its totient is φ = 3994817488.

The previous prime is 12003011983. The next prime is 12003012053. The reversal of 12003012012 is 21021030021.

It is a super-3 number, since 3×12003012012³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 765228 + ... + 780755.

It is an arithmetic number, because the mean of its divisors is an integer number (1168763904).

Almost surely, 2^12003012012 is an apocalyptic number.

12003012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003012012 is an abundant number, since it is smaller than the sum of its proper divisors (16047321684).

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

12003012012 is a wasteful number, since it uses less digits than its factorization.

12003012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546637 (or 1546635 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12003012012 its reverse (21021030021), we get a palindrome (33024042033).

It can be divided in two parts, 1200 and 3012012, that multiplied together give a square (3614414400 = 60120²).

The spelling of 12003012012 in words is "twelve billion, three million, twelve thousand, twelve".