213212030232321 has 48 divisors (see below), whose sum is σ = 327664735377408. Its totient is φ = 133134391756800.

The previous prime is 213212030232293. The next prime is 213212030232329. The reversal of 213212030232321 is 123232030212312.

213212030232321 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 1 + 2 + 0 + 302 + 32 + 321 = 666.

It is not a de Polignac number, because 213212030232321 - 2⁷ = 213212030232193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213212030232329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52274740 + ... + 56205626.

It is an arithmetic number, because the mean of its divisors is an integer number (6826348653696).

Almost surely, 2^{213212030232321} is an apocalyptic number.

It is an amenable number.

213212030232321 is a deficient number, since it is larger than the sum of its proper divisors (114452705145087).

213212030232321 is a wasteful number, since it uses less digits than its factorization.

213212030232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932622 (or 3932619 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213212030232321 its reverse (123232030212312), we get a palindrome (336444060444633).

The spelling of 213212030232321 in words is "two hundred thirteen trillion, two hundred twelve billion, thirty million, two hundred thirty-two thousand, three hundred twenty-one".