12002011212 has 48 divisors (see below), whose sum is σ = 28938534912. Its totient is φ = 3867536640.

The previous prime is 12002011199. The next prime is 12002011223. The reversal of 12002011212 is 21211020021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346933 + ... + 379955.

It is an arithmetic number, because the mean of its divisors is an integer number (602886144).

Almost surely, 2^12002011212 is an apocalyptic number.

12002011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002011212 is an abundant number, since it is smaller than the sum of its proper divisors (16936523700).

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

12002011212 is a wasteful number, since it uses less digits than its factorization.

12002011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34038 (or 34036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12002011212 its reverse (21211020021), we get a palindrome (33213031233).

The spelling of 12002011212 in words is "twelve billion, two million, eleven thousand, two hundred twelve".