12020222212012 has 36 divisors (see below), whose sum is σ = 25533639739440. Its totient is φ = 4927544507424.

The previous prime is 12020222212007. The next prime is 12020222212057. The reversal of 12020222212012 is 21021222202021.

It is a super-2 number, since 2×12020222212012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1333205587 + ... + 1333214602.

It is an arithmetic number, because the mean of its divisors is an integer number (709267770540).

Almost surely, 2^{12020222212012} is an apocalyptic number.

It is an amenable number.

12020222212012 is an abundant number, since it is smaller than the sum of its proper divisors (13513417527428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020222212012 is a wasteful number, since it uses less digits than its factorization.

12020222212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666420230 (or 2666420221 counting only the distinct ones).

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

Adding to 12020222212012 its reverse (21021222202021), we get a palindrome (33041444414033).

Subtracting 12020222212012 from its reverse (21021222202021), we obtain a palindrome (9000999990009).

The spelling of 12020222212012 in words is "twelve trillion, twenty billion, two hundred twenty-two million, two hundred twelve thousand, twelve".