12423104020020 has 24 divisors (see below), whose sum is σ = 34784691256224. Its totient is φ = 3312827738656.

The previous prime is 12423104019971. The next prime is 12423104020099. The reversal of 12423104020020 is 2002040132421.

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, 103525866774 + ... + 103525866893.

It is an arithmetic number, because the mean of its divisors is an integer number (1449362135676).

Almost surely, 2^{12423104020020} is an apocalyptic number.

12423104020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423104020020 is an abundant number, since it is smaller than the sum of its proper divisors (22361587236204).

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

12423104020020 is a wasteful number, since it uses less digits than its factorization.

12423104020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207051733679 (or 207051733677 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12423104020020 its reverse (2002040132421), we get a palindrome (14425144152441).

The spelling of 12423104020020 in words is "twelve trillion, four hundred twenty-three billion, one hundred four million, twenty thousand, twenty".