12021232223112 has 64 divisors (see below), whose sum is σ = 34346696217600. Its totient is φ = 3434605934400.

The previous prime is 12021232223107. The next prime is 12021232223129. The reversal of 12021232223112 is 21132223212021.

12021232223112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22509987 + ... + 23037837.

It is an arithmetic number, because the mean of its divisors is an integer number (536667128400).

Almost surely, 2^{12021232223112} is an apocalyptic number.

12021232223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021232223112 is an abundant number, since it is smaller than the sum of its proper divisors (22325463994488).

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

12021232223112 is a wasteful number, since it uses less digits than its factorization.

12021232223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663426 (or 663422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12021232223112 its reverse (21132223212021), we get a palindrome (33153455435133).

The spelling of 12021232223112 in words is "twelve trillion, twenty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred twelve".