12202020122212 has 6 divisors (see below), whose sum is σ = 21353535213878. Its totient is φ = 6101010061104.

The previous prime is 12202020122189. The next prime is 12202020122221. The reversal of 12202020122212 is 21222102020221.

It can be written as a sum of positive squares in only one way, i.e., 10443277339236 + 1758742782976 = 3231606^2 + 1326176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12202020122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525252515273 + ... + 1525252515280.

Almost surely, 2^{12202020122212} is an apocalyptic number.

It is an amenable number.

12202020122212 is a deficient number, since it is larger than the sum of its proper divisors (9151515091666).

12202020122212 is a wasteful number, since it uses less digits than its factorization.

12202020122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050505030557 (or 3050505030555 counting only the distinct ones).

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

Adding to 12202020122212 its reverse (21222102020221), we get a palindrome (33424122142433).

The spelling of 12202020122212 in words is "twelve trillion, two hundred two billion, twenty million, one hundred twenty-two thousand, two hundred twelve".