12021000112212 has 96 divisors (see below), whose sum is σ = 34548884036352. Its totient is φ = 3167890615296.

The previous prime is 12021000112211. The next prime is 12021000112267. The reversal of 12021000112212 is 21221100012021.

12021000112212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12021000112191 and 12021000112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021000112211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2915713 + ... + 5704680.

It is an arithmetic number, because the mean of its divisors is an integer number (359884208712).

Almost surely, 2^{12021000112212} is an apocalyptic number.

12021000112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021000112212 is an abundant number, since it is smaller than the sum of its proper divisors (22527883924140).

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

12021000112212 is a wasteful number, since it uses less digits than its factorization.

12021000112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621697 (or 8621695 counting only the distinct ones).

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

Adding to 12021000112212 its reverse (21221100012021), we get a palindrome (33242100124233).

The spelling of 12021000112212 in words is "twelve trillion, twenty-one billion, one hundred twelve thousand, two hundred twelve".