12003022012 has 48 divisors (see below), whose sum is σ = 21441259840. Its totient is φ = 5878656000.

The previous prime is 12003022001. The next prime is 12003022027. The reversal of 12003022012 is 21022030021.

It is a junction number, because it is equal to n+sod(n) for n = 12003021983 and 12003022001.

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, 22186462 + ... + 22187002.

Almost surely, 2^12003022012 is an apocalyptic number.

It is an amenable number.

12003022012 is a deficient number, since it is larger than the sum of its proper divisors (9438237828).

12003022012 is a wasteful number, since it uses less digits than its factorization.

12003022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12003022012 its reverse (21022030021), we get a palindrome (33025052033).

The spelling of 12003022012 in words is "twelve billion, three million, twenty-two thousand, twelve".