4212324661 has 4 divisors (see below), whose sum is σ = 4217532300. Its totient is φ = 4207117024.

The previous prime is 4212324637. The next prime is 4212324679. The reversal of 4212324661 is 1664232124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1876535761 + 2335788900 = 43319^2 + 48330^2 .

It is a cyclic number.

It is not a de Polignac number, because 4212324661 - 2⁵ = 4212324629 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 (4212324631) 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 3 ways as a sum of consecutive naturals, for example, 2602606 + ... + 2604223.

It is an arithmetic number, because the mean of its divisors is an integer number (1054383075).

Almost surely, 2^4212324661 is an apocalyptic number.

It is an amenable number.

4212324661 is a deficient number, since it is larger than the sum of its proper divisors (5207639).

4212324661 is an equidigital number, since it uses as much as digits as its factorization.

4212324661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207638.

The product of its digits is 13824, while the sum is 31.

The square root of 4212324661 is about 64902.4241534937. The cubic root of 4212324661 is about 1615.0052763680.

Adding to 4212324661 its reverse (1664232124), we get a palindrome (5876556785).

The spelling of 4212324661 in words is "four billion, two hundred twelve million, three hundred twenty-four thousand, six hundred sixty-one".