4124134232221 has 8 divisors (see below), whose sum is σ = 4304101033080. Its totient is φ = 3946684449792.

The previous prime is 4124134232201. The next prime is 4124134232249. The reversal of 4124134232221 is 1222324314214.

It can be written as a sum of positive squares in 4 ways, for example, as 174733196121 + 3949401036100 = 418011^2 + 1987310^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4124134232221 - 2³¹ = 4121986748573 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 (4124134232201) by changing a digit.

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, 629251260 + ... + 629257813.

It is an arithmetic number, because the mean of its divisors is an integer number (538012629135).

Almost surely, 2^{4124134232221} is an apocalyptic number.

It is an amenable number.

4124134232221 is a deficient number, since it is larger than the sum of its proper divisors (179966800859).

4124134232221 is a wasteful number, since it uses less digits than its factorization.

4124134232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258509215.

The product of its digits is 18432, while the sum is 31.

Adding to 4124134232221 its reverse (1222324314214), we get a palindrome (5346458546435).

The spelling of 4124134232221 in words is "four trillion, one hundred twenty-four billion, one hundred thirty-four million, two hundred thirty-two thousand, two hundred twenty-one".