212021133132 has 48 divisors (see below), whose sum is σ = 502143274080. Its totient is φ = 69615180288.

The previous prime is 212021133113. The next prime is 212021133157. The reversal of 212021133132 is 231331120212.

It is a junction number, because it is equal to n+sod(n) for n = 212021133099 and 212021133108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520594 + ... + 833702.

It is an arithmetic number, because the mean of its divisors is an integer number (10461318210).

Almost surely, 2^212021133132 is an apocalyptic number.

It is an amenable number.

212021133132 is an abundant number, since it is smaller than the sum of its proper divisors (290122140948).

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

212021133132 is a wasteful number, since it uses less digits than its factorization.

212021133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313962 (or 313960 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212021133132 its reverse (231331120212), we get a palindrome (443352253344).

The spelling of 212021133132 in words is "two hundred twelve billion, twenty-one million, one hundred thirty-three thousand, one hundred thirty-two".