12202212121012 has 24 divisors (see below), whose sum is σ = 21428091401472. Its totient is φ = 6079932112800.

The previous prime is 12202212121007. The next prime is 12202212121079. The reversal of 12202212121012 is 21012121220221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442808 + ... + 5511055.

It is an arithmetic number, because the mean of its divisors is an integer number (892837141728).

Almost surely, 2^{12202212121012} is an apocalyptic number.

It is an amenable number.

12202212121012 is a deficient number, since it is larger than the sum of its proper divisors (9225879280460).

12202212121012 is a wasteful number, since it uses less digits than its factorization.

12202212121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955199 (or 7955197 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12202212121012 its reverse (21012121220221), we get a palindrome (33214333341233).

The spelling of 12202212121012 in words is "twelve trillion, two hundred two billion, two hundred twelve million, one hundred twenty-one thousand, twelve".