12211201110012 has 48 divisors (see below), whose sum is σ = 28563811423392. Its totient is φ = 4060266946560.

The previous prime is 12211201110011. The next prime is 12211201110013. The reversal of 12211201110012 is 21001110211221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12211201110011) and next prime (12211201110013).

It is a super-2 number, since 2×12211201110012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211201109973 and 12211201110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211201110011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8479078 + ... + 9814130.

It is an arithmetic number, because the mean of its divisors is an integer number (595079404654).

Almost surely, 2^{12211201110012} is an apocalyptic number.

12211201110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211201110012 is an abundant number, since it is smaller than the sum of its proper divisors (16352610313380).

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

12211201110012 is a wasteful number, since it uses less digits than its factorization.

12211201110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336958 (or 1336956 counting only the distinct ones).

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

Adding to 12211201110012 its reverse (21001110211221), we get a palindrome (33212311321233).

The spelling of 12211201110012 in words is "twelve trillion, two hundred eleven billion, two hundred one million, one hundred ten thousand, twelve".