12000011212 has 36 divisors (see below), whose sum is σ = 24592604400. Its totient is φ = 5108333664.

The previous prime is 12000011207. The next prime is 12000011213. The reversal of 12000011212 is 21211000021.

It is not an unprimeable number, because it can be changed into a prime (12000011213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176248 + ... + 234655.

It is an arithmetic number, because the mean of its divisors is an integer number (683127900).

Almost surely, 2^12000011212 is an apocalyptic number.

It is an amenable number.

12000011212 is an abundant number, since it is smaller than the sum of its proper divisors (12592593188).

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

12000011212 is a wasteful number, since it uses less digits than its factorization.

12000011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411070 (or 411061 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000011212 its reverse (21211000021), we get a palindrome (33211011233).

The spelling of 12000011212 in words is "twelve billion, eleven thousand, two hundred twelve".