1004023212 has 48 divisors (see below), whose sum is σ = 2426360832. Its totient is φ = 322927360.

The previous prime is 1004023201. The next prime is 1004023219. The reversal of 1004023212 is 2123204001.

It is a super-2 number, since 2×1004023212² = 2016125220469593888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1004023191 and 1004023200.

It is not an unprimeable number, because it can be changed into a prime (1004023219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27508 + ... + 52580.

It is an arithmetic number, because the mean of its divisors is an integer number (50549184).

Almost surely, 2^1004023212 is an apocalyptic number.

1004023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004023212 is an abundant number, since it is smaller than the sum of its proper divisors (1422337620).

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

1004023212 is a wasteful number, since it uses less digits than its factorization.

1004023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25198 (or 25196 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1004023212 is about 31686.3253155048. The cubic root of 1004023212 is about 1001.3392762052.

Adding to 1004023212 its reverse (2123204001), we get a palindrome (3127227213).

The spelling of 1004023212 in words is "one billion, four million, twenty-three thousand, two hundred twelve".