12010012012 has 6 divisors (see below), whose sum is σ = 21017521028. Its totient is φ = 6005006004.

The previous prime is 12010012009. The next prime is 12010012013. The reversal of 12010012012 is 21021001021.

It is a self number, because there is not a number n which added to its sum of digits gives 12010012012.

It is not an unprimeable number, because it can be changed into a prime (12010012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501251498 + ... + 1501251505.

Almost surely, 2^12010012012 is an apocalyptic number.

It is an amenable number.

12010012012 is a deficient number, since it is larger than the sum of its proper divisors (9007509016).

12010012012 is a wasteful number, since it uses less digits than its factorization.

12010012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002503007 (or 3002503005 counting only the distinct ones).

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

Adding to 12010012012 its reverse (21021001021), we get a palindrome (33031013033).

The spelling of 12010012012 in words is "twelve billion, ten million, twelve thousand, twelve".