12021101110212 has 24 divisors (see below), whose sum is σ = 28172800846176. Its totient is φ = 3989381571648.

The previous prime is 12021101110181. The next prime is 12021101110243. The reversal of 12021101110212 is 21201110112021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12021101110181) and next prime (12021101110243).

It is a junction number, because it is equal to n+sod(n) for n = 12021101110191 and 12021101110200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206513633 + ... + 2206519080.

It is an arithmetic number, because the mean of its divisors is an integer number (1173866701924).

Almost surely, 2^{12021101110212} is an apocalyptic number.

12021101110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021101110212 is an abundant number, since it is smaller than the sum of its proper divisors (16151699735964).

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

12021101110212 is a wasteful number, since it uses less digits than its factorization.

12021101110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413032947 (or 4413032945 counting only the distinct ones).

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

Adding to 12021101110212 its reverse (21201110112021), we get a palindrome (33222211222233).

The spelling of 12021101110212 in words is "twelve trillion, twenty-one billion, one hundred one million, one hundred ten thousand, two hundred twelve".