220012221012 has 24 divisors (see below), whose sum is σ = 525882870912. Its totient is φ = 71548689600.

The previous prime is 220012220969. The next prime is 220012221041. The reversal of 220012221012 is 210122210022.

It is a junction number, because it is equal to n+sod(n) for n = 220012220982 and 220012221000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223589164 + ... + 223590147.

It is an arithmetic number, because the mean of its divisors is an integer number (21911786288).

Almost surely, 2^220012221012 is an apocalyptic number.

It is an amenable number.

220012221012 is an abundant number, since it is smaller than the sum of its proper divisors (305870649900).

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

220012221012 is a wasteful number, since it uses less digits than its factorization.

220012221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447179359 (or 447179357 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220012221012 its reverse (210122210022), we get a palindrome (430134431034).

The spelling of 220012221012 in words is "two hundred twenty billion, twelve million, two hundred twenty-one thousand, twelve".