12211200120012 has 24 divisors (see below), whose sum is σ = 29262875964336. Its totient is φ = 3960389227968.

The previous prime is 12211200120011. The next prime is 12211200120023. The reversal of 12211200120012 is 21002100211221.

12211200120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211200120012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211200119973 and 12211200120000.

It is not an unprimeable number, because it can be changed into a prime (12211200120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13751351043 + ... + 13751351930.

It is an arithmetic number, because the mean of its divisors is an integer number (1219286498514).

Almost surely, 2^{12211200120012} is an apocalyptic number.

12211200120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211200120012 is an abundant number, since it is smaller than the sum of its proper divisors (17051675844324).

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

12211200120012 is a wasteful number, since it uses less digits than its factorization.

12211200120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502703017 (or 27502703015 counting only the distinct ones).

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

Adding to 12211200120012 its reverse (21002100211221), we get a palindrome (33213300331233).

The spelling of 12211200120012 in words is "twelve trillion, two hundred eleven billion, two hundred million, one hundred twenty thousand, twelve".