11302213212 has 36 divisors (see below), whose sum is σ = 28583971416. Its totient is φ = 3765493920.

The previous prime is 11302213211. The next prime is 11302213243. The reversal of 11302213212 is 21231220311.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11302213211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6714 + ... + 150497.

It is an arithmetic number, because the mean of its divisors is an integer number (793999206).

Almost surely, 2^11302213212 is an apocalyptic number.

11302213212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11302213212 is an abundant number, since it is smaller than the sum of its proper divisors (17281758204).

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

11302213212 is a wasteful number, since it uses less digits than its factorization.

11302213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159218 (or 159213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11302213212 its reverse (21231220311), we get a palindrome (32533433523).

The spelling of 11302213212 in words is "eleven billion, three hundred two million, two hundred thirteen thousand, two hundred twelve".