212133030312132 has 72 divisors (see below), whose sum is σ = 543577390428800. Its totient is φ = 69741509016960.

The previous prime is 212133030312029. The next prime is 212133030312211. The reversal of 212133030312132 is 231213030331212.

212133030312132 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 330 + 3 + 0 + 312 + 13 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 212133030312096 and 212133030312105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234573369 + ... + 235475967.

Almost surely, 2^{212133030312132} is an apocalyptic number.

It is an amenable number.

212133030312132 is an abundant number, since it is smaller than the sum of its proper divisors (331444360116668).

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

212133030312132 is a wasteful number, since it uses less digits than its factorization.

212133030312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992113 (or 992108 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 212133030312132 its reverse (231213030331212), we get a palindrome (443346060643344).

The spelling of 212133030312132 in words is "two hundred twelve trillion, one hundred thirty-three billion, thirty million, three hundred twelve thousand, one hundred thirty-two".