11232211223212 has 24 divisors (see below), whose sum is σ = 23646760471040. Its totient is φ = 4560446661840.

The previous prime is 11232211223201. The next prime is 11232211223221. The reversal of 11232211223212 is 21232211223211.

It is a super-2 number, since 2×11232211223212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10556588964 + ... + 10556590027.

Almost surely, 2^{11232211223212} is an apocalyptic number.

It is an amenable number.

11232211223212 is an abundant number, since it is smaller than the sum of its proper divisors (12414549247828).

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

11232211223212 is a wasteful number, since it uses less digits than its factorization.

11232211223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21113179021 (or 21113179019 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 11232211223212 its reverse (21232211223211), we get a palindrome (32464422446423).

Subtracting 11232211223212 from its reverse (21232211223211), we obtain a palindrome (9999999999999).

The spelling of 11232211223212 in words is "eleven trillion, two hundred thirty-two billion, two hundred eleven million, two hundred twenty-three thousand, two hundred twelve".