12013331021212 has 12 divisors (see below), whose sum is σ = 21023770796056. Its totient is φ = 6006539365200.

The previous prime is 12013331021183. The next prime is 12013331021233. The reversal of 12013331021212 is 21212013331021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31321914 + ... + 31703137.

Almost surely, 2^{12013331021212} is an apocalyptic number.

It is an amenable number.

12013331021212 is a deficient number, since it is larger than the sum of its proper divisors (9010439774844).

12013331021212 is a wasteful number, since it uses less digits than its factorization.

12013331021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63072708 (or 63072706 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12013331021212 its reverse (21212013331021), we get a palindrome (33225344352233).

The spelling of 12013331021212 in words is "twelve trillion, thirteen billion, three hundred thirty-one million, twenty-one thousand, two hundred twelve".