4330412122221 has 6 divisors (see below), whose sum is σ = 6255039732110. Its totient is φ = 2886941414808.

The previous prime is 4330412122217. The next prime is 4330412122249. The reversal of 4330412122221 is 1222212140334.

4330412122221 is a `hidden beast` number, since 4 + 3 + 3 + 0 + 412 + 1 + 22 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3226891286025 + 1103520836196 = 1796355^2 + 1050486^2 .

It is not a de Polignac number, because 4330412122221 - 2² = 4330412122217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4330412122271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240578451226 + ... + 240578451243.

Almost surely, 2^{4330412122221} is an apocalyptic number.

It is an amenable number.

4330412122221 is a deficient number, since it is larger than the sum of its proper divisors (1924627609889).

4330412122221 is a wasteful number, since it uses less digits than its factorization.

4330412122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481156902475 (or 481156902472 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4330412122221 its reverse (1222212140334), we get a palindrome (5552624262555).

The spelling of 4330412122221 in words is "four trillion, three hundred thirty billion, four hundred twelve million, one hundred twenty-two thousand, two hundred twenty-one".