12402204535 has 12 divisors (see below), whose sum is σ = 17312465448. Its totient is φ = 8504368656.

The previous prime is 12402204487. The next prime is 12402204611. The reversal of 12402204535 is 53540220421.

It is not a de Polignac number, because 12402204535 - 2²¹ = 12400107383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25310377 + ... + 25310866.

It is an arithmetic number, because the mean of its divisors is an integer number (1442705454).

Almost surely, 2^12402204535 is an apocalyptic number.

12402204535 is a deficient number, since it is larger than the sum of its proper divisors (4910260913).

12402204535 is an equidigital number, since it uses as much as digits as its factorization.

12402204535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50621262 (or 50621255 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12402204535 its reverse (53540220421), we get a palindrome (65942424956).

The spelling of 12402204535 in words is "twelve billion, four hundred two million, two hundred four thousand, five hundred thirty-five".