12021020210012 has 24 divisors (see below), whose sum is σ = 22951495024752. Its totient is φ = 5463558518400.

The previous prime is 12021020209969. The next prime is 12021020210027. The reversal of 12021020210012 is 21001202012021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13090289 + ... + 13978472.

It is an arithmetic number, because the mean of its divisors is an integer number (956312292698).

Almost surely, 2^{12021020210012} is an apocalyptic number.

It is an amenable number.

12021020210012 is a deficient number, since it is larger than the sum of its proper divisors (10930474814740).

12021020210012 is a wasteful number, since it uses less digits than its factorization.

12021020210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27078869 (or 27078867 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021020210012 its reverse (21001202012021), we get a palindrome (33022222222033).

The spelling of 12021020210012 in words is "twelve trillion, twenty-one billion, twenty million, two hundred ten thousand, twelve".