4012413221 has 2 divisors, whose sum is σ = 4012413222. Its totient is φ = 4012413220.

The previous prime is 4012413203. The next prime is 4012413257. The reversal of 4012413221 is 1223142104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2431476100 + 1580937121 = 49310^2 + 39761^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012413221 - 2⁶ = 4012413157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4012413193 and 4012413202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012415221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006206610 + 2006206611.

It is an arithmetic number, because the mean of its divisors is an integer number (2006206611).

Almost surely, 2^4012413221 is an apocalyptic number.

It is an amenable number.

4012413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012413221 is an equidigital number, since it uses as much as digits as its factorization.

4012413221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4012413221 is about 63343.6123141079. The cubic root of 4012413221 is about 1589.0414196222.

Adding to 4012413221 its reverse (1223142104), we get a palindrome (5235555325).

The spelling of 4012413221 in words is "four billion, twelve million, four hundred thirteen thousand, two hundred twenty-one".