12320010321020 has 24 divisors (see below), whose sum is σ = 26258171254224. Its totient is φ = 4854451827456.

The previous prime is 12320010321011. The next prime is 12320010321049. The reversal of 12320010321020 is 2012301002321.

It is a self number, because there is not a number n which added to its sum of digits gives 12320010321020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4597017437 + ... + 4597020116.

It is an arithmetic number, because the mean of its divisors is an integer number (1094090468926).

Almost surely, 2^{12320010321020} is an apocalyptic number.

12320010321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320010321020 is an abundant number, since it is smaller than the sum of its proper divisors (13938160933204).

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

12320010321020 is a wasteful number, since it uses less digits than its factorization.

12320010321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194037629 (or 9194037627 counting only the distinct ones).

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

Adding to 12320010321020 its reverse (2012301002321), we get a palindrome (14332311323341).

The spelling of 12320010321020 in words is "twelve trillion, three hundred twenty billion, ten million, three hundred twenty-one thousand, twenty".