212000021321232 has 80 divisors (see below), whose sum is σ = 553584073064000. Its totient is φ = 69905239322112.

The previous prime is 212000021321219. The next prime is 212000021321243. The reversal of 212000021321232 is 232123120000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000021321199 and 212000021321208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29491507 + ... + 35968722.

It is an arithmetic number, because the mean of its divisors is an integer number (6919800913300).

Almost surely, 2^{212000021321232} is an apocalyptic number.

It is an amenable number.

212000021321232 is an abundant number, since it is smaller than the sum of its proper divisors (341584051742768).

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

212000021321232 is a wasteful number, since it uses less digits than its factorization.

212000021321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65460968 (or 65460962 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212000021321232 its reverse (232123120000212), we get a palindrome (444123141321444).

The spelling of 212000021321232 in words is "two hundred twelve trillion, twenty-one million, three hundred twenty-one thousand, two hundred thirty-two".