11000011212 has 72 divisors (see below), whose sum is σ = 28309554000. Its totient is φ = 3600357888.

The previous prime is 11000011207. The next prime is 11000011213. The reversal of 11000011212 is 21211000011.

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 = 11000011194 and 11000011203.

It is not an unprimeable number, because it can be changed into a prime (11000011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2225608 + ... + 2230544.

It is an arithmetic number, because the mean of its divisors is an integer number (393188250).

Almost surely, 2^11000011212 is an apocalyptic number.

11000011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11000011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14154777000).

11000011212 is an abundant number, since it is smaller than the sum of its proper divisors (17309542788).

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

11000011212 is a wasteful number, since it uses less digits than its factorization.

11000011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055 (or 6050 counting only the distinct ones).

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

Adding to 11000011212 its reverse (21211000011), we get a palindrome (32211011223).

It can be divided in two parts, 11000011 and 212, that multiplied together give a palindrome (2332002332).

The spelling of 11000011212 in words is "eleven billion, eleven thousand, two hundred twelve".