12210010000020 has 72 divisors (see below), whose sum is σ = 42328034671104. Its totient is φ = 2790859428288.

The previous prime is 12210009999919. The next prime is 12210010000093. The reversal of 12210010000020 is 2000001001221.

12210010000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12210009999957 and 12210010000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4845240804 + ... + 4845243323.

It is an arithmetic number, because the mean of its divisors is an integer number (587889370432).

Almost surely, 2^{12210010000020} is an apocalyptic number.

12210010000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210010000020 is an abundant number, since it is smaller than the sum of its proper divisors (30118024671084).

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

12210010000020 is a wasteful number, since it uses less digits than its factorization.

12210010000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9690484149 (or 9690484144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12210010000020 its reverse (2000001001221), we get a palindrome (14210011001241).

The spelling of 12210010000020 in words is "twelve trillion, two hundred ten billion, ten million, twenty", and thus it is an aban number.