12202212012 has 12 divisors (see below), whose sum is σ = 28471828056. Its totient is φ = 4067404000.

The previous prime is 12202211963. The next prime is 12202212023. The reversal of 12202212012 is 21021220221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12202211982 and 12202212000.

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, 508425489 + ... + 508425512.

It is an arithmetic number, because the mean of its divisors is an integer number (2372652338).

Almost surely, 2^12202212012 is an apocalyptic number.

12202212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12202212012 is an abundant number, since it is smaller than the sum of its proper divisors (16269616044).

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

12202212012 is a wasteful number, since it uses less digits than its factorization.

12202212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016851008 (or 1016851006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12202212012 its reverse (21021220221), we get a palindrome (33223432233).

The spelling of 12202212012 in words is "twelve billion, two hundred two million, two hundred twelve thousand, twelve".