1220120202212 has 24 divisors (see below), whose sum is σ = 2345311147200. Its totient is φ = 552823340256.

The previous prime is 1220120202187. The next prime is 1220120202253. The reversal of 1220120202212 is 2122020210221.

It is a happy 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, 349002887 + ... + 349006382.

It is an arithmetic number, because the mean of its divisors is an integer number (97721297800).

Almost surely, 2^{1220120202212} is an apocalyptic number.

It is an amenable number.

1220120202212 is a deficient number, since it is larger than the sum of its proper divisors (1125190944988).

1220120202212 is a wasteful number, since it uses less digits than its factorization.

1220120202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698009315 (or 698009313 counting only the distinct ones).

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

Adding to 1220120202212 its reverse (2122020210221), we get a palindrome (3342140412433).

The spelling of 1220120202212 in words is "one trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, two hundred twelve".