11212000021212 has 24 divisors (see below), whose sum is σ = 26161826986512. Its totient is φ = 3737262825600.

The previous prime is 11212000021171. The next prime is 11212000021267. The reversal of 11212000021212 is 21212000021211.

It is a junction number, because it is equal to n+sod(n) for n = 11212000021191 and 11212000021200.

It is a congruent number.

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, 8149839 + ... + 9425702.

It is an arithmetic number, because the mean of its divisors is an integer number (1090076124438).

Almost surely, 2^{11212000021212} is an apocalyptic number.

11212000021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212000021212 is an abundant number, since it is smaller than the sum of its proper divisors (14949826965300).

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

11212000021212 is a wasteful number, since it uses less digits than its factorization.

11212000021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17628709 (or 17628707 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212000021212 its reverse (21212000021211), we get a palindrome (32424000042423).

Subtracting 11212000021212 from its reverse (21212000021211), we obtain a palindrome (9999999999999).

The spelling of 11212000021212 in words is "eleven trillion, two hundred twelve billion, twenty-one thousand, two hundred twelve".