420012168 has 32 divisors (see below), whose sum is σ = 1056110400. Its totient is φ = 139193408.

The previous prime is 420012161. The next prime is 420012179. The reversal of 420012168 is 861210024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (420012161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46428 + ... + 54731.

It is an arithmetic number, because the mean of its divisors is an integer number (33003450).

Almost surely, 2^420012168 is an apocalyptic number.

It is an amenable number.

420012168 is an abundant number, since it is smaller than the sum of its proper divisors (636098232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420012168 is a wasteful number, since it uses less digits than its factorization.

420012168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101341 (or 101337 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 420012168 is about 20494.1983985712. The cubic root of 420012168 is about 748.8944707631.

The spelling of 420012168 in words is "four hundred twenty million, twelve thousand, one hundred sixty-eight".