10212231112220 has 24 divisors (see below), whose sum is σ = 21453956052144. Its totient is φ = 4083317070336.

The previous prime is 10212231112219. The next prime is 10212231112333. The reversal of 10212231112220 is 2221113221201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10212231112192 and 10212231112201.

It is a congruent 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, 98407754 + ... + 98511473.

It is an arithmetic number, because the mean of its divisors is an integer number (893914835506).

Almost surely, 2^{10212231112220} is an apocalyptic number.

10212231112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212231112220 is an abundant number, since it is smaller than the sum of its proper divisors (11241724939924).

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

10212231112220 is a wasteful number, since it uses less digits than its factorization.

10212231112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196921829 (or 196921827 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10212231112220 its reverse (2221113221201), we get a palindrome (12433344333421).

The spelling of 10212231112220 in words is "ten trillion, two hundred twelve billion, two hundred thirty-one million, one hundred twelve thousand, two hundred twenty".