4511212004 has 48 divisors (see below), whose sum is σ = 9033253488. Its totient is φ = 1952821248.

The previous prime is 4511211997. The next prime is 4511212037. The reversal of 4511212004 is 4002121154.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1033751104 + 3477460900 = 32152^2 + 58970^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250304 + ... + 267720.

It is an arithmetic number, because the mean of its divisors is an integer number (188192781).

Almost surely, 2^4511212004 is an apocalyptic number.

It is an amenable number.

4511212004 is an abundant number, since it is smaller than the sum of its proper divisors (4522041484).

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

4511212004 is a wasteful number, since it uses less digits than its factorization.

4511212004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17744 (or 17742 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 4511212004 is about 67165.5566790003. The cubic root of 4511212004 is about 1652.3336436025. Note that the first 3 decimals are identical.

Adding to 4511212004 its reverse (4002121154), we get a palindrome (8513333158).

The spelling of 4511212004 in words is "four billion, five hundred eleven million, two hundred twelve thousand, four".