12023121023112 has 16 divisors (see below), whose sum is σ = 30057802557840. Its totient is φ = 4007707007696.

The previous prime is 12023121023087. The next prime is 12023121023131. The reversal of 12023121023112 is 21132012132021.

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 3 ways as a sum of consecutive naturals, for example, 250481687958 + ... + 250481688005.

It is an arithmetic number, because the mean of its divisors is an integer number (1878612659865).

Almost surely, 2^{12023121023112} is an apocalyptic number.

12023121023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12023121023112 is an abundant number, since it is smaller than the sum of its proper divisors (18034681534728).

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

12023121023112 is a wasteful number, since it uses less digits than its factorization.

12023121023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500963375972 (or 500963375968 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12023121023112 its reverse (21132012132021), we get a palindrome (33155133155133).

The spelling of 12023121023112 in words is "twelve trillion, twenty-three billion, one hundred twenty-one million, twenty-three thousand, one hundred twelve".