12021200201212 has 48 divisors (see below), whose sum is σ = 21980416776192. Its totient is φ = 5745827471040.

The previous prime is 12021200201173. The next prime is 12021200201239. The reversal of 12021200201212 is 21210200212021.

It is a happy number.

It is a super-3 number, since 3×12021200201212³ (a number of 40 digits) contains 333 as substring.

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, 77287273 + ... + 77442655.

It is an arithmetic number, because the mean of its divisors is an integer number (457925349504).

Almost surely, 2^{12021200201212} is an apocalyptic number.

It is an amenable number.

12021200201212 is a deficient number, since it is larger than the sum of its proper divisors (9959216574980).

12021200201212 is a wasteful number, since it uses less digits than its factorization.

12021200201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163018 (or 163016 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021200201212 its reverse (21210200212021), we get a palindrome (33231400413233).

The spelling of 12021200201212 in words is "twelve trillion, twenty-one billion, two hundred million, two hundred one thousand, two hundred twelve".