43221312102213 has 64 divisors (see below), whose sum is σ = 73351349452800. Its totient is φ = 24639732532800.

The previous prime is 43221312102193. The next prime is 43221312102217. The reversal of 43221312102213 is 31220121312234.

43221312102213 is a `hidden beast` number, since 4 + 3 + 221 + 3 + 1 + 210 + 221 + 3 = 666.

It is not a de Polignac number, because 43221312102213 - 2⁶ = 43221312102149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221312102217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 348572895 + ... + 348696867.

It is an arithmetic number, because the mean of its divisors is an integer number (1146114835200).

Almost surely, 2^{43221312102213} is an apocalyptic number.

It is an amenable number.

43221312102213 is a deficient number, since it is larger than the sum of its proper divisors (30130037350587).

43221312102213 is a wasteful number, since it uses less digits than its factorization.

43221312102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128319 (or 128313 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 43221312102213 its reverse (31220121312234), we get a palindrome (74441433414447).

The spelling of 43221312102213 in words is "forty-three trillion, two hundred twenty-one billion, three hundred twelve million, one hundred two thousand, two hundred thirteen".