10212112000020 has 144 divisors (see below), whose sum is σ = 33276835646208. Its totient is φ = 2333177521920.

The previous prime is 10212112000007. The next prime is 10212112000067. The reversal of 10212112000020 is 2000021121201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 47 ways as a sum of consecutive naturals, for example, 5984005 + ... + 7498835.

It is an arithmetic number, because the mean of its divisors is an integer number (231089136432).

Almost surely, 2^{10212112000020} is an apocalyptic number.

10212112000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212112000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16638417823104).

10212112000020 is an abundant number, since it is smaller than the sum of its proper divisors (23064723646188).

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

10212112000020 is a wasteful number, since it uses less digits than its factorization.

10212112000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517150 (or 1517141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10212112000020 its reverse (2000021121201), we get a palindrome (12212133121221).

The spelling of 10212112000020 in words is "ten trillion, two hundred twelve billion, one hundred twelve million, twenty", and thus it is an aban number.