1022202012212 has 12 divisors (see below), whose sum is σ = 1792717139136. Its totient is φ = 509997115320.

The previous prime is 1022202012203. The next prime is 1022202012239. The reversal of 1022202012212 is 2122102022201.

It is a happy number.

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, 275970614 + ... + 275974317.

It is an arithmetic number, because the mean of its divisors is an integer number (149393094928).

Almost surely, 2^{1022202012212} is an apocalyptic number.

It is an amenable number.

1022202012212 is a deficient number, since it is larger than the sum of its proper divisors (770515126924).

1022202012212 is a wasteful number, since it uses less digits than its factorization.

1022202012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551945398 (or 551945396 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022202012212 its reverse (2122102022201), we get a palindrome (3144304034413).

The spelling of 1022202012212 in words is "one trillion, twenty-two billion, two hundred two million, twelve thousand, two hundred twelve".