12021222202012 has 12 divisors (see below), whose sum is σ = 21037164129576. Its totient is φ = 6010603879280.

The previous prime is 12021222201853. The next prime is 12021222202043. The reversal of 12021222202012 is 21020222212021.

It is a super-3 number, since 3×12021222202012³ (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 3 ways as a sum of consecutive naturals, for example, 4049838 + ... + 6359530.

It is an arithmetic number, because the mean of its divisors is an integer number (1753097010798).

Almost surely, 2^{12021222202012} is an apocalyptic number.

It is an amenable number.

12021222202012 is a deficient number, since it is larger than the sum of its proper divisors (9015941927564).

12021222202012 is a wasteful number, since it uses less digits than its factorization.

12021222202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610868 (or 3610866 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12021222202012 its reverse (21020222212021), we get a palindrome (33041444414033).

The spelling of 12021222202012 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, two hundred two thousand, twelve".