428124012 has 24 divisors (see below), whose sum is σ = 1031181312. Its totient is φ = 138104400.

The previous prime is 428123959. The next prime is 428124029. The reversal of 428124012 is 210421824.

It is a super-2 number, since 2×428124012² = 366580339301952288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575064 + ... + 575807.

It is an arithmetic number, because the mean of its divisors is an integer number (42965888).

Almost surely, 2^428124012 is an apocalyptic number.

It is an amenable number.

428124012 is an abundant number, since it is smaller than the sum of its proper divisors (603057300).

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

428124012 is a wasteful number, since it uses less digits than its factorization.

428124012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150909 (or 1150907 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 428124012 is about 20691.1578216397. The cubic root of 428124012 is about 753.6849831023.

Adding to 428124012 its reverse (210421824), we get a palindrome (638545836).

The spelling of 428124012 in words is "four hundred twenty-eight million, one hundred twenty-four thousand, twelve".