10012323320020 has 72 divisors (see below), whose sum is σ = 24468919299720. Its totient is φ = 3431358846720.

The previous prime is 10012323320011. The next prime is 10012323320089. The reversal of 10012323320020 is 2002332321001.

It can be written as a sum of positive squares in 4 ways, for example, as 667600116624 + 9344723203396 = 817068^2 + 3056914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10012323320020.

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, 202950 + ... + 4479490.

It is an arithmetic number, because the mean of its divisors is an integer number (339846101385).

Almost surely, 2^{10012323320020} is an apocalyptic number.

10012323320020 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 10012323320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12234459649860).

10012323320020 is an abundant number, since it is smaller than the sum of its proper divisors (14456595979700).

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

10012323320020 is a wasteful number, since it uses less digits than its factorization.

10012323320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278953 (or 4278944 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10012323320020 its reverse (2002332321001), we get a palindrome (12014655641021).

The spelling of 10012323320020 in words is "ten trillion, twelve billion, three hundred twenty-three million, three hundred twenty thousand, twenty".