12010211121212 has 48 divisors (see below), whose sum is σ = 21445074846720. Its totient is φ = 5883375580992.

The previous prime is 12010211121203. The next prime is 12010211121239. The reversal of 12010211121212 is 21212111201021.

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, 716634089 + ... + 716650847.

It is an arithmetic number, because the mean of its divisors is an integer number (446772392640).

Almost surely, 2^{12010211121212} is an apocalyptic number.

It is an amenable number.

12010211121212 is a deficient number, since it is larger than the sum of its proper divisors (9434863725508).

12010211121212 is a wasteful number, since it uses less digits than its factorization.

12010211121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21450 (or 21448 counting only the distinct ones).

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

Adding to 12010211121212 its reverse (21212111201021), we get a palindrome (33222322322233).

The spelling of 12010211121212 in words is "twelve trillion, ten billion, two hundred eleven million, one hundred twenty-one thousand, two hundred twelve".