11211001212012 has 24 divisors (see below), whose sum is σ = 29896003232256. Its totient is φ = 3203143203408.

The previous prime is 11211001211953. The next prime is 11211001212023. The reversal of 11211001212012 is 21021210011211.

It is a happy number.

11211001212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11211001211982 and 11211001212000.

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, 66732149988 + ... + 66732150155.

It is an arithmetic number, because the mean of its divisors is an integer number (1245666801344).

Almost surely, 2^{11211001212012} is an apocalyptic number.

11211001212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211001212012 is an abundant number, since it is smaller than the sum of its proper divisors (18685002020244).

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

11211001212012 is a wasteful number, since it uses less digits than its factorization.

11211001212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133464300157 (or 133464300155 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11211001212012 its reverse (21021210011211), we get a palindrome (32232211223223).

The spelling of 11211001212012 in words is "eleven trillion, two hundred eleven billion, one million, two hundred twelve thousand, twelve".