12023203201020 has 240 divisors, whose sum is σ = 41820602747616. Its totient is φ = 2866933440000.

The previous prime is 12023203200979. The next prime is 12023203201033. The reversal of 12023203201020 is 2010230232021.

12023203201020 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 320 + 320 + 1 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12023203200984 and 12023203201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4443331 + ... + 6617370.

Almost surely, 2^{12023203201020} is an apocalyptic number.

12023203201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023203201020 is an abundant number, since it is smaller than the sum of its proper divisors (29797399546596).

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

12023203201020 is a wasteful number, since it uses less digits than its factorization.

12023203201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060794 (or 11060783 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12023203201020 its reverse (2010230232021), we get a palindrome (14033433433041).

The spelling of 12023203201020 in words is "twelve trillion, twenty-three billion, two hundred three million, two hundred one thousand, twenty".