11001200100012 has 24 divisors (see below), whose sum is σ = 28521629889200. Its totient is φ = 3667066699968.

The previous prime is 11001200099987. The next prime is 11001200100029. The reversal of 11001200100012 is 21000100210011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11001200099967 and 11001200100003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50931481837 + ... + 50931482052.

Almost surely, 2^{11001200100012} is an apocalyptic number.

11001200100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001200100012 is an abundant number, since it is smaller than the sum of its proper divisors (17520429789188).

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

11001200100012 is a wasteful number, since it uses less digits than its factorization.

11001200100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101862963902 (or 101862963894 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001200100012 its reverse (21000100210011), we get a palindrome (32001300310023).

The spelling of 11001200100012 in words is "eleven trillion, one billion, two hundred million, one hundred thousand, twelve".