12210121001112 has 64 divisors (see below), whose sum is σ = 30538208736000. Its totient is φ = 4068319929984.

The previous prime is 12210121001087. The next prime is 12210121001159. The reversal of 12210121001112 is 21110012101221.

It is a happy number.

12210121001112 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-4 number, since 4×12210121001112⁴ (a number of 53 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210121001091 and 12210121001100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885490314 + ... + 885504102.

It is an arithmetic number, because the mean of its divisors is an integer number (477159511500).

Almost surely, 2^{12210121001112} is an apocalyptic number.

12210121001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210121001112 is an abundant number, since it is smaller than the sum of its proper divisors (18328087734888).

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

12210121001112 is a wasteful number, since it uses less digits than its factorization.

12210121001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26720 (or 26716 counting only the distinct ones).

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

Adding to 12210121001112 its reverse (21110012101221), we get a palindrome (33320133102333).

The spelling of 12210121001112 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one million, one thousand, one hundred twelve".