11001200012 has 24 divisors (see below), whose sum is σ = 21915436032. Its totient is φ = 4783130000.

The previous prime is 11001200011. The next prime is 11001200029. The reversal of 11001200012 is 21000210011.

It is not an unprimeable number, because it can be changed into a prime (11001200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5434364 + ... + 5436387.

It is an arithmetic number, because the mean of its divisors is an integer number (913143168).

Almost surely, 2^11001200012 is an apocalyptic number.

It is an amenable number.

11001200012 is a deficient number, since it is larger than the sum of its proper divisors (10914236020).

11001200012 is a wasteful number, since it uses less digits than its factorization.

11001200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870789 (or 10870787 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11001200012 its reverse (21000210011), we get a palindrome (32001410023).

Subtracting 11001200012 from its reverse (21000210011), we obtain a palindrome (9999009999).

The spelling of 11001200012 in words is "eleven billion, one million, two hundred thousand, twelve".