12435225500 has 48 divisors (see below), whose sum is σ = 27170567424. Its totient is φ = 4971886400.

The previous prime is 12435225499. The next prime is 12435225533. The reversal of 12435225500 is 552253421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579574 + ... + 1587426.

It is an arithmetic number, because the mean of its divisors is an integer number (566053488).

Almost surely, 2^12435225500 is an apocalyptic number.

12435225500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12435225500 is an abundant number, since it is smaller than the sum of its proper divisors (14735341924).

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

12435225500 is a wasteful number, since it uses less digits than its factorization.

12435225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039 (or 11027 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 12435225500 its reverse (552253421), we get a palindrome (12987478921).

The spelling of 12435225500 in words is "twelve billion, four hundred thirty-five million, two hundred twenty-five thousand, five hundred".