12021111123032 has 64 divisors (see below), whose sum is σ = 25501912020000. Its totient is φ = 5262160046080.

The previous prime is 12021111123011. The next prime is 12021111123037. The reversal of 12021111123032 is 23032111112021.

It is a super-2 number, since 2×12021111123032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021111122995 and 12021111123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021111123037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5061857 + ... + 7047312.

Almost surely, 2^{12021111123032} is an apocalyptic number.

It is an amenable number.

12021111123032 is an abundant number, since it is smaller than the sum of its proper divisors (13480800896968).

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

12021111123032 is a wasteful number, since it uses less digits than its factorization.

12021111123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109604 (or 12109600 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12021111123032 its reverse (23032111112021), we get a palindrome (35053222235053).

The spelling of 12021111123032 in words is "twelve trillion, twenty-one billion, one hundred eleven million, one hundred twenty-three thousand, thirty-two".