12035240020 has 24 divisors (see below), whose sum is σ = 25286743944. Its totient is φ = 4811669376.

The previous prime is 12035240011. The next prime is 12035240051. The reversal of 12035240020 is 2004253021.

It can be written as a sum of positive squares in 4 ways, for example, as 690007824 + 11345232196 = 26268^2 + 106514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12035240020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110727 + ... + 190606.

It is an arithmetic number, because the mean of its divisors is an integer number (1053614331).

Almost surely, 2^12035240020 is an apocalyptic number.

12035240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12035240020 is an abundant number, since it is smaller than the sum of its proper divisors (13251503924).

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

12035240020 is a wasteful number, since it uses less digits than its factorization.

12035240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303339 (or 303337 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 12035240020 its reverse (2004253021), we get a palindrome (14039493041).

The spelling of 12035240020 in words is "twelve billion, thirty-five million, two hundred forty thousand, twenty".