10212123320 has 96 divisors (see below), whose sum is σ = 27350492400. Its totient is φ = 3419845632.

The previous prime is 10212123239. The next prime is 10212123343. The reversal of 10212123320 is 2332121201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23696 + ... + 144864.

Almost surely, 2^10212123320 is an apocalyptic number.

10212123320 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 10212123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13675246200).

10212123320 is an abundant number, since it is smaller than the sum of its proper divisors (17138369080).

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

10212123320 is a wasteful number, since it uses less digits than its factorization.

10212123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121237 (or 121226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10212123320 its reverse (2332121201), we get a palindrome (12544244521).

The spelling of 10212123320 in words is "ten billion, two hundred twelve million, one hundred twenty-three thousand, three hundred twenty".