3012506280 has 144 divisors (see below), whose sum is σ = 11389184820. Its totient is φ = 688568832.

The previous prime is 3012506249. The next prime is 3012506281. The reversal of 3012506280 is 826052103.

3012506280 is a `hidden beast` number, since 30 + 1 + 2 + 5 + 0 + 628 + 0 = 666.

3012506280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2804973444 + 207532836 = 52962^2 + 14406^2 .

It is not an unprimeable number, because it can be changed into a prime (3012506281) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67749 + ... + 103028.

Almost surely, 2^3012506280 is an apocalyptic number.

3012506280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3012506280 is an abundant number, since it is smaller than the sum of its proper divisors (8376678540).

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

3012506280 is a wasteful number, since it uses less digits than its factorization.

3012506280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170808 (or 170794 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3012506280 is about 54886.3032094529. The cubic root of 3012506280 is about 1444.2509225988.

Adding to 3012506280 its reverse (826052103), we get a palindrome (3838558383).

The spelling of 3012506280 in words is "three billion, twelve million, five hundred six thousand, two hundred eighty".