1428812112 has 160 divisors (see below), whose sum is σ = 4586095360. Its totient is φ = 373248000.

The previous prime is 1428812093. The next prime is 1428812117. The reversal of 1428812112 is 2112188241.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1428812112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428812117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474612 + ... + 477612.

It is an arithmetic number, because the mean of its divisors is an integer number (28663096).

Almost surely, 2^1428812112 is an apocalyptic number.

1428812112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428812112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2293047680).

1428812112 is an abundant number, since it is smaller than the sum of its proper divisors (3157283248).

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

1428812112 is a wasteful number, since it uses less digits than its factorization.

1428812112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141 (or 3135 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 1428812112 is about 37799.6311093111. The cubic root of 1428812112 is about 1126.3111263722.

The spelling of 1428812112 in words is "one billion, four hundred twenty-eight million, eight hundred twelve thousand, one hundred twelve".