12423442011020 has 12 divisors (see below), whose sum is σ = 26089228223184. Its totient is φ = 4969376804400.

The previous prime is 12423442010989. The next prime is 12423442011023. The reversal of 12423442011020 is 2011024432421.

It is a super-2 number, since 2×12423442011020² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12423442011023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310586050256 + ... + 310586050295.

It is an arithmetic number, because the mean of its divisors is an integer number (2174102351932).

Almost surely, 2^{12423442011020} is an apocalyptic number.

12423442011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423442011020 is an abundant number, since it is smaller than the sum of its proper divisors (13665786212164).

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

12423442011020 is a wasteful number, since it uses less digits than its factorization.

12423442011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621172100560 (or 621172100558 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12423442011020 its reverse (2011024432421), we get a palindrome (14434466443441).

The spelling of 12423442011020 in words is "twelve trillion, four hundred twenty-three billion, four hundred forty-two million, eleven thousand, twenty".