12002011012 has 48 divisors (see below), whose sum is σ = 21730403968. Its totient is φ = 5795919360.

The previous prime is 12002011001. The next prime is 12002011013. The reversal of 12002011012 is 21011020021.

It is a self number, because there is not a number n which added to its sum of digits gives 12002011012.

It is not an unprimeable number, because it can be changed into a prime (12002011013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16508593 + ... + 16509319.

Almost surely, 2^12002011012 is an apocalyptic number.

It is an amenable number.

12002011012 is a deficient number, since it is larger than the sum of its proper divisors (9728392956).

12002011012 is a wasteful number, since it uses less digits than its factorization.

12002011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1434 counting only the distinct ones).

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

Adding to 12002011012 its reverse (21011020021), we get a palindrome (33013031033).

Subtracting 12002011012 from its reverse (21011020021), we obtain a palindrome (9009009009).

The spelling of 12002011012 in words is "twelve billion, two million, eleven thousand, twelve".