420012113 has 2 divisors, whose sum is σ = 420012114. Its totient is φ = 420012112.

The previous prime is 420012097. The next prime is 420012127. The reversal of 420012113 is 311210024.

It is an a-pointer prime, because the next prime (420012127) can be obtained adding 420012113 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415466689 + 4545424 = 20383^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 420012113 - 2⁴ = 420012097 is a prime.

It is not a weakly prime, because it can be changed into another prime (420012413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210006056 + 210006057.

It is an arithmetic number, because the mean of its divisors is an integer number (210006057).

Almost surely, 2^420012113 is an apocalyptic number.

It is an amenable number.

420012113 is a deficient number, since it is larger than the sum of its proper divisors (1).

420012113 is an equidigital number, since it uses as much as digits as its factorization.

420012113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 420012113 is about 20494.1970567280. The cubic root of 420012113 is about 748.8944380742.

Adding to 420012113 its reverse (311210024), we get a palindrome (731222137).

The spelling of 420012113 in words is "four hundred twenty million, twelve thousand, one hundred thirteen".