11212203211212 has 12 divisors (see below), whose sum is σ = 26161807492856. Its totient is φ = 3737401070400.

The previous prime is 11212203211207. The next prime is 11212203211213. The reversal of 11212203211212 is 21211230221211.

11212203211212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11212203211213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467175133789 + ... + 467175133812.

Almost surely, 2^{11212203211212} is an apocalyptic number.

11212203211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212203211212 is an abundant number, since it is smaller than the sum of its proper divisors (14949604281644).

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

11212203211212 is a wasteful number, since it uses less digits than its factorization.

11212203211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934350267608 (or 934350267606 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11212203211212 its reverse (21211230221211), we get a palindrome (32423433432423).

The spelling of 11212203211212 in words is "eleven trillion, two hundred twelve billion, two hundred three million, two hundred eleven thousand, two hundred twelve".