12211200021012 has 48 divisors (see below), whose sum is σ = 31296439426560. Its totient is φ = 3688508929248.

The previous prime is 12211200020933. The next prime is 12211200021017. The reversal of 12211200021012 is 21012000211221.

It is a super-2 number, since 2×12211200021012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211200020982 and 12211200021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211200021017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164296818 + ... + 1164307305.

It is an arithmetic number, because the mean of its divisors is an integer number (652009154720).

Almost surely, 2^{12211200021012} is an apocalyptic number.

12211200021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211200021012 is an abundant number, since it is smaller than the sum of its proper divisors (19085239405548).

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

12211200021012 is a wasteful number, since it uses less digits than its factorization.

12211200021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328604172 (or 2328604170 counting only the distinct ones).

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

Adding to 12211200021012 its reverse (21012000211221), we get a palindrome (33223200232233).

The spelling of 12211200021012 in words is "twelve trillion, two hundred eleven billion, two hundred million, twenty-one thousand, twelve".