420012412 has 24 divisors (see below), whose sum is σ = 743250816. Its totient is φ = 207664128.

The previous prime is 420012403. The next prime is 420012413. The reversal of 420012412 is 214210024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420012413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267253 + ... + 268819.

It is an arithmetic number, because the mean of its divisors is an integer number (30968784).

Almost surely, 2^420012412 is an apocalyptic number.

It is an amenable number.

420012412 is a deficient number, since it is larger than the sum of its proper divisors (323238404).

420012412 is a wasteful number, since it uses less digits than its factorization.

420012412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 420012412 is about 20494.2043514746. The cubic root of 420012412 is about 748.8946157828.

Adding to 420012412 its reverse (214210024), we get a palindrome (634222436).

The spelling of 420012412 in words is "four hundred twenty million, twelve thousand, four hundred twelve".