11212032212 has 12 divisors (see below), whose sum is σ = 19794694836. Its totient is φ = 5556405120.

The previous prime is 11212032199. The next prime is 11212032233. The reversal of 11212032212 is 21223021211.

It can be written as a sum of positive squares in 2 ways, for example, as 5825352976 + 5386679236 = 76324^2 + 73394^2 .

It is a super-2 number, since 2×11212032212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12402239 + ... + 12403142.

It is an arithmetic number, because the mean of its divisors is an integer number (1649557903).

Almost surely, 2^11212032212 is an apocalyptic number.

It is an amenable number.

11212032212 is a deficient number, since it is larger than the sum of its proper divisors (8582662624).

11212032212 is a wasteful number, since it uses less digits than its factorization.

11212032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24805498 (or 24805496 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11212032212 its reverse (21223021211), we get a palindrome (32435053423).

The spelling of 11212032212 in words is "eleven billion, two hundred twelve million, thirty-two thousand, two hundred twelve".