4012520000 has 70 divisors (see below), whose sum is σ = 9949844718. Its totient is φ = 1604992000.

The previous prime is 4012519991. The next prime is 4012520003. The reversal of 4012520000 is 252104.

It can be written as a sum of positive squares in 5 ways, for example, as 2674130944 + 1338389056 = 51712^2 + 36584^2 .

It is a super-2 number, since 2×4012520000² = 32200633500800000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4012520003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10157 + ... + 90156.

Almost surely, 2^4012520000 is an apocalyptic number.

4012520000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4012520000 is an abundant number, since it is smaller than the sum of its proper divisors (5937324718).

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

4012520000 is an equidigital number, since it uses as much as digits as its factorization.

4012520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100345 (or 100320 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4012520000 is about 63344.4551638105. The cubic root of 4012520000 is about 1589.0555154410.

Adding to 4012520000 its reverse (252104), we get a palindrome (4012772104).

The spelling of 4012520000 in words is "four billion, twelve million, five hundred twenty thousand".