1004443212 has 24 divisors (see below), whose sum is σ = 2445601536. Its totient is φ = 320257168.

The previous prime is 1004443201. The next prime is 1004443229. The reversal of 1004443212 is 2123444001.

It is a super-2 number, since 2×1004443212² = 2017812332265753888, 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, 1819368 + ... + 1819919.

It is an arithmetic number, because the mean of its divisors is an integer number (101900064).

Almost surely, 2^1004443212 is an apocalyptic number.

1004443212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004443212 is an abundant number, since it is smaller than the sum of its proper divisors (1441158324).

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

1004443212 is a wasteful number, since it uses less digits than its factorization.

1004443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639317 (or 3639315 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1004443212 is about 31692.9520871755. The cubic root of 1004443212 is about 1001.4788824951.

Adding to 1004443212 its reverse (2123444001), we get a palindrome (3127887213).

The spelling of 1004443212 in words is "one billion, four million, four hundred forty-three thousand, two hundred twelve".