12003022212 has 24 divisors (see below), whose sum is σ = 28011804576. Its totient is φ = 4000328448.

The previous prime is 12003022183. The next prime is 12003022231. The reversal of 12003022212 is 21222030021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12003022191 and 12003022200.

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, 8458 + ... + 155169.

It is an arithmetic number, because the mean of its divisors is an integer number (1167158524).

Almost surely, 2^12003022212 is an apocalyptic number.

12003022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003022212 is an abundant number, since it is smaller than the sum of its proper divisors (16008782364).

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

12003022212 is a wasteful number, since it uses less digits than its factorization.

12003022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169747 (or 169745 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12003022212 its reverse (21222030021), we get a palindrome (33225052233).

The spelling of 12003022212 in words is "twelve billion, three million, twenty-two thousand, two hundred twelve".