4212122213 has 8 divisors (see below), whose sum is σ = 4537379448. Its totient is φ = 3887043264.

The previous prime is 4212122209. The next prime is 4212122219. The reversal of 4212122213 is 3122212124.

It can be written as a sum of positive squares in 4 ways, for example, as 225210049 + 3986912164 = 15007^2 + 63142^2 .

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

It is not a de Polignac number, because 4212122213 - 2² = 4212122209 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 (4212122219) 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, 6695 + ... + 92027.

It is an arithmetic number, because the mean of its divisors is an integer number (567172431).

Almost surely, 2^4212122213 is an apocalyptic number.

It is an amenable number.

4212122213 is a deficient number, since it is larger than the sum of its proper divisors (325257235).

4212122213 is a wasteful number, since it uses less digits than its factorization.

4212122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89143.

The product of its digits is 384, while the sum is 20.

The square root of 4212122213 is about 64900.8645011759. The cubic root of 4212122213 is about 1614.9794030991.

Adding to 4212122213 its reverse (3122212124), we get a palindrome (7334334337).

The spelling of 4212122213 in words is "four billion, two hundred twelve million, one hundred twenty-two thousand, two hundred thirteen".