12021112110212 has 24 divisors (see below), whose sum is σ = 21334130052480. Its totient is φ = 5925653435520.

The previous prime is 12021112110211. The next prime is 12021112110251. The reversal of 12021112110212 is 21201121112021.

It is not an unprimeable number, because it can be changed into a prime (12021112110211) 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, 6042089 + ... + 7781327.

It is an arithmetic number, because the mean of its divisors is an integer number (888922085520).

Almost surely, 2^{12021112110212} is an apocalyptic number.

It is an amenable number.

12021112110212 is a deficient number, since it is larger than the sum of its proper divisors (9313017942268).

12021112110212 is a wasteful number, since it uses less digits than its factorization.

12021112110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763651 (or 1763649 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12021112110212 its reverse (21201121112021), we get a palindrome (33222233222233).

The spelling of 12021112110212 in words is "twelve trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, two hundred twelve".