11211212000223 has 12 divisors (see below), whose sum is σ = 16499519548200. Its totient is φ = 7333119798576.

The previous prime is 11211212000201. The next prime is 11211212000237. The reversal of 11211212000223 is 32200021211211.

11211212000223 is a `hidden beast` number, since 1 + 121 + 121 + 200 + 0 + 223 = 666.

11211212000223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11211212000223 - 2¹⁶ = 11211211934687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211212000196 and 11211212000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211212000273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11751794073 + ... + 11751795026.

It is an arithmetic number, because the mean of its divisors is an integer number (1374959962350).

Almost surely, 2^{11211212000223} is an apocalyptic number.

11211212000223 is a deficient number, since it is larger than the sum of its proper divisors (5288307547977).

11211212000223 is a wasteful number, since it uses less digits than its factorization.

11211212000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23503589158 (or 23503589155 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11211212000223 its reverse (32200021211211), we get a palindrome (43411233211434).

The spelling of 11211212000223 in words is "eleven trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-three", and thus it is an aban number.