12212021133232 has 40 divisors (see below), whose sum is σ = 24599678868000. Its totient is φ = 5865833014272.

The previous prime is 12212021133181. The next prime is 12212021133233. The reversal of 12212021133232 is 23233112021221.

It is a junction number, because it is equal to n+sod(n) for n = 12212021133197 and 12212021133206.

It is not an unprimeable number, because it can be changed into a prime (12212021133233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66035833 + ... + 66220504.

It is an arithmetic number, because the mean of its divisors is an integer number (614991971700).

Almost surely, 2^{12212021133232} is an apocalyptic number.

It is an amenable number.

12212021133232 is an abundant number, since it is smaller than the sum of its proper divisors (12387657734768).

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

12212021133232 is a wasteful number, since it uses less digits than its factorization.

12212021133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132256573 (or 132256567 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12212021133232 its reverse (23233112021221), we get a palindrome (35445133154453).

The spelling of 12212021133232 in words is "twelve trillion, two hundred twelve billion, twenty-one million, one hundred thirty-three thousand, two hundred thirty-two".