12021103032212 has 48 divisors (see below), whose sum is σ = 21642252274944. Its totient is φ = 5838882624000.

The previous prime is 12021103032167. The next prime is 12021103032217. The reversal of 12021103032212 is 21223030112021.

It is a super-2 number, since 2×12021103032212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021103032217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76409543 + ... + 76566705.

It is an arithmetic number, because the mean of its divisors is an integer number (450880255728).

Almost surely, 2^{12021103032212} is an apocalyptic number.

It is an amenable number.

12021103032212 is a deficient number, since it is larger than the sum of its proper divisors (9621149242732).

12021103032212 is a wasteful number, since it uses less digits than its factorization.

12021103032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159200 (or 159198 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12021103032212 its reverse (21223030112021), we get a palindrome (33244133144233).

The spelling of 12021103032212 in words is "twelve trillion, twenty-one billion, one hundred three million, thirty-two thousand, two hundred twelve".