12023311010020 has 48 divisors (see below), whose sum is σ = 26120992590000. Its totient is φ = 4643239247360.

The previous prime is 12023311009999. The next prime is 12023311010047. The reversal of 12023311010020 is 2001011332021.

It can be written as a sum of positive squares in 8 ways, for example, as 725685904384 + 11297625105636 = 851872^2 + 3361194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12023311009976 and 12023311010003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10584606 + ... + 11665354.

It is an arithmetic number, because the mean of its divisors is an integer number (544187345625).

Almost surely, 2^{12023311010020} is an apocalyptic number.

12023311010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023311010020 is an abundant number, since it is smaller than the sum of its proper divisors (14097681579980).

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

12023311010020 is a wasteful number, since it uses less digits than its factorization.

12023311010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099968 (or 1099966 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12023311010020 its reverse (2001011332021), we get a palindrome (14024322342041).

The spelling of 12023311010020 in words is "twelve trillion, twenty-three billion, three hundred eleven million, ten thousand, twenty".