412221013 has 2 divisors, whose sum is σ = 412221014. Its totient is φ = 412221012.

The previous prime is 412220983. The next prime is 412221053. The reversal of 412221013 is 310122214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295083684 + 117137329 = 17178^2 + 10823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412221013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412221053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206110506 + 206110507.

It is an arithmetic number, because the mean of its divisors is an integer number (206110507).

Almost surely, 2^412221013 is an apocalyptic number.

It is an amenable number.

412221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

412221013 is an equidigital number, since it uses as much as digits as its factorization.

412221013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 412221013 is about 20303.2266647447. The cubic root of 412221013 is about 744.2349174588.

Adding to 412221013 its reverse (310122214), we get a palindrome (722343227).

The spelling of 412221013 in words is "four hundred twelve million, two hundred twenty-one thousand, thirteen".