12001202021112 has 32 divisors (see below), whose sum is σ = 30003101814480. Its totient is φ = 4000387772160.

The previous prime is 12001202021093. The next prime is 12001202021143. The reversal of 12001202021112 is 21112020210021.

It is a junction number, because it is equal to n+sod(n) for n = 12001202021091 and 12001202021100.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9455748 + ... + 10649580.

Almost surely, 2^{12001202021112} is an apocalyptic number.

12001202021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001202021112 is an abundant number, since it is smaller than the sum of its proper divisors (18001899793368).

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

12001202021112 is a wasteful number, since it uses less digits than its factorization.

12001202021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612703 (or 1612699 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12001202021112 its reverse (21112020210021), we get a palindrome (33113222231133).

The spelling of 12001202021112 in words is "twelve trillion, one billion, two hundred two million, twenty-one thousand, one hundred twelve".