1220202210212 has 24 divisors (see below), whose sum is σ = 2151033699360. Its totient is φ = 605621540160.

The previous prime is 1220202210203. The next prime is 1220202210223. The reversal of 1220202210212 is 2120122020221.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 20800739 + ... + 20859317.

It is an arithmetic number, because the mean of its divisors is an integer number (89626404140).

Almost surely, 2^{1220202210212} is an apocalyptic number.

It is an amenable number.

1220202210212 is a deficient number, since it is larger than the sum of its proper divisors (930831489148).

1220202210212 is a wasteful number, since it uses less digits than its factorization.

1220202210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96731 (or 96729 counting only the distinct ones).

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

Adding to 1220202210212 its reverse (2120122020221), we get a palindrome (3340324230433).

The spelling of 1220202210212 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred ten thousand, two hundred twelve".