212130330220332 has 72 divisors (see below), whose sum is σ = 539013326145840. Its totient is φ = 70342096135680.

The previous prime is 212130330220307. The next prime is 212130330220343. The reversal of 212130330220332 is 233022033031212.

212130330220332 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 3 + 0 + 3 + 302 + 20 + 332 = 666.

It is a super-3 number, since 3×212130330220332³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212130330220296 and 212130330220305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2438857 + ... + 20741472.

It is an arithmetic number, because the mean of its divisors is an integer number (7486296196470).

Almost surely, 2^{212130330220332} is an apocalyptic number.

It is an amenable number.

212130330220332 is an abundant number, since it is smaller than the sum of its proper divisors (326882995925508).

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

212130330220332 is a wasteful number, since it uses less digits than its factorization.

212130330220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23181663 (or 23181658 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 212130330220332 its reverse (233022033031212), we get a palindrome (445152363251544).

The spelling of 212130330220332 in words is "two hundred twelve trillion, one hundred thirty billion, three hundred thirty million, two hundred twenty thousand, three hundred thirty-two".