3000012520 has 64 divisors (see below), whose sum is σ = 6812858880. Its totient is φ = 1188884736.

The previous prime is 3000012511. The next prime is 3000012523. The reversal of 3000012520 is 252100003.

It is a self number, because there is not a number n which added to its sum of digits gives 3000012520.

It is not an unprimeable number, because it can be changed into a prime (3000012523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3811567 + ... + 3812353.

It is an arithmetic number, because the mean of its divisors is an integer number (106450920).

Almost surely, 2^3000012520 is an apocalyptic number.

It is an amenable number.

3000012520 is an abundant number, since it is smaller than the sum of its proper divisors (3812846360).

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

3000012520 is a wasteful number, since it uses less digits than its factorization.

3000012520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3000012520 is about 54772.3700418377. The cubic root of 3000012520 is about 1442.2515766340.

Adding to 3000012520 its reverse (252100003), we get a palindrome (3252112523).

The spelling of 3000012520 in words is "three billion, twelve thousand, five hundred twenty".