12030101540 has 12 divisors (see below), whose sum is σ = 25263213276. Its totient is φ = 4812040608.

The previous prime is 12030101533. The next prime is 12030101549. The reversal of 12030101540 is 4510103021.

It can be written as a sum of positive squares in 2 ways, for example, as 3436069924 + 8594031616 = 58618^2 + 92704^2 .

It is not an unprimeable number, because it can be changed into a prime (12030101549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300752519 + ... + 300752558.

It is an arithmetic number, because the mean of its divisors is an integer number (2105267773).

Almost surely, 2^12030101540 is an apocalyptic number.

12030101540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030101540 is an abundant number, since it is smaller than the sum of its proper divisors (13233111736).

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

12030101540 is a wasteful number, since it uses less digits than its factorization.

12030101540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601505086 (or 601505084 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12030101540 its reverse (4510103021), we get a palindrome (16540204561).

The spelling of 12030101540 in words is "twelve billion, thirty million, one hundred one thousand, five hundred forty".