420304012 has 6 divisors (see below), whose sum is σ = 735532028. Its totient is φ = 210152004.

The previous prime is 420304009. The next prime is 420304021. The reversal of 420304012 is 210403024.

It is a super-2 number, since 2×420304012² = 353310925006592288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52537998 + ... + 52538005.

Almost surely, 2^420304012 is an apocalyptic number.

It is an amenable number.

420304012 is a deficient number, since it is larger than the sum of its proper divisors (315228016).

420304012 is a wasteful number, since it uses less digits than its factorization.

420304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105076007 (or 105076005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420304012 is about 20501.3173235283. The cubic root of 420304012 is about 749.0678861798.

Adding to 420304012 its reverse (210403024), we get a palindrome (630707036).

The spelling of 420304012 in words is "four hundred twenty million, three hundred four thousand, twelve".