12021102110212 has 48 divisors (see below), whose sum is σ = 23862889330560. Its totient is φ = 5252805186048.

The previous prime is 12021102110189. The next prime is 12021102110341. The reversal of 12021102110212 is 21201120112021.

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, 2382928 + ... + 5451655.

It is an arithmetic number, because the mean of its divisors is an integer number (497143527720).

Almost surely, 2^{12021102110212} is an apocalyptic number.

It is an amenable number.

12021102110212 is a deficient number, since it is larger than the sum of its proper divisors (11841787220348).

12021102110212 is a wasteful number, since it uses less digits than its factorization.

12021102110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836172 (or 7836170 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021102110212 its reverse (21201120112021), we get a palindrome (33222222222233).

The spelling of 12021102110212 in words is "twelve trillion, twenty-one billion, one hundred two million, one hundred ten thousand, two hundred twelve".