72220122102212 has 12 divisors (see below), whose sum is σ = 144440244204480. Its totient is φ = 30951480900936.

The previous prime is 72220122102151. The next prime is 72220122102229. The reversal of 72220122102212 is 21220122102227.

72220122102212 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289645037512 + ... + 1289645037567.

It is an arithmetic number, because the mean of its divisors is an integer number (12036687017040).

Almost surely, 2^{72220122102212} is an apocalyptic number.

It is an amenable number.

72220122102212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72220122102212 is a wasteful number, since it uses less digits than its factorization.

72220122102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579290075090 (or 2579290075088 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 72220122102212 its reverse (21220122102227), we get a palindrome (93440244204439).

The spelling of 72220122102212 in words is "seventy-two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred twelve".