213212121032 has 32 divisors (see below), whose sum is σ = 404915846400. Its totient is φ = 105235113984.

The previous prime is 213212120969. The next prime is 213212121049. The reversal of 213212121032 is 230121212312.

213212121032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213212120995 and 213212121013.

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 7 ways as a sum of consecutive naturals, for example, 3319688 + ... + 3383304.

It is an arithmetic number, because the mean of its divisors is an integer number (12653620200).

Almost surely, 2^213212121032 is an apocalyptic number.

It is an amenable number.

213212121032 is a deficient number, since it is larger than the sum of its proper divisors (191703725368).

213212121032 is a wasteful number, since it uses less digits than its factorization.

213212121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69005 (or 69001 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213212121032 its reverse (230121212312), we get a palindrome (443333333344).

The spelling of 213212121032 in words is "two hundred thirteen billion, two hundred twelve million, one hundred twenty-one thousand, thirty-two".