11001100121212 has 12 divisors (see below), whose sum is σ = 19251989749440. Its totient is φ = 5500531621376.

The previous prime is 11001100121161. The next prime is 11001100121233. The reversal of 11001100121212 is 21212100110011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11001100121192 and 11001100121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3220933 + ... + 5690044.

It is an arithmetic number, because the mean of its divisors is an integer number (1604332479120).

Almost surely, 2^{11001100121212} is an apocalyptic number.

It is an amenable number.

11001100121212 is a deficient number, since it is larger than the sum of its proper divisors (8250889628228).

11001100121212 is a wasteful number, since it uses less digits than its factorization.

11001100121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219620 (or 9219618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001100121212 its reverse (21212100110011), we get a palindrome (32213200231223).

The spelling of 11001100121212 in words is "eleven trillion, one billion, one hundred million, one hundred twenty-one thousand, two hundred twelve".