10212021100212 has 144 divisors (see below), whose sum is σ = 26718470271360. Its totient is φ = 3029493083904.

The previous prime is 10212021100181. The next prime is 10212021100247. The reversal of 10212021100212 is 21200112021201.

It is a junction number, because it is equal to n+sod(n) for n = 10212021100191 and 10212021100200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3549753 + ... + 5746719.

It is an arithmetic number, because the mean of its divisors is an integer number (185544932440).

Almost surely, 2^{10212021100212} is an apocalyptic number.

10212021100212 is a gapful number since it is divisible by the number (12) 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 10212021100212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13359235135680).

10212021100212 is an abundant number, since it is smaller than the sum of its proper divisors (16506449171148).

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

10212021100212 is a wasteful number, since it uses less digits than its factorization.

10212021100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197078 (or 2197057 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212021100212 its reverse (21200112021201), we get a palindrome (31412133121413).

The spelling of 10212021100212 in words is "ten trillion, two hundred twelve billion, twenty-one million, one hundred thousand, two hundred twelve".