11213302212 has 72 divisors (see below), whose sum is σ = 32414630976. Its totient is φ = 3201758784.

The previous prime is 11213302207. The next prime is 11213302223. The reversal of 11213302212 is 21220331211.

11213302212 is a `hidden beast` number, since 1 + 121 + 330 + 2 + 212 = 666.

11213302212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406738 + ... + 433430.

It is an arithmetic number, because the mean of its divisors is an integer number (450203208).

Almost surely, 2^11213302212 is an apocalyptic number.

11213302212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11213302212 is an abundant number, since it is smaller than the sum of its proper divisors (21201328764).

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

11213302212 is a wasteful number, since it uses less digits than its factorization.

11213302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28377 (or 28372 counting only the distinct ones).

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

Adding to 11213302212 its reverse (21220331211), we get a palindrome (32433633423).

The spelling of 11213302212 in words is "eleven billion, two hundred thirteen million, three hundred two thousand, two hundred twelve".