12255130740 has 48 divisors (see below), whose sum is σ = 34319170368. Its totient is φ = 3267577344.

The previous prime is 12255130721. The next prime is 12255130751. The reversal of 12255130740 is 4703155221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12255130698 and 12255130707.

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, 825019 + ... + 839741.

It is an arithmetic number, because the mean of its divisors is an integer number (714982716).

Almost surely, 2^12255130740 is an apocalyptic number.

12255130740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12255130740 is an abundant number, since it is smaller than the sum of its proper divisors (22064039628).

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

12255130740 is a wasteful number, since it uses less digits than its factorization.

12255130740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28608 (or 28606 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 12255130740 its reverse (4703155221), we get a palindrome (16958285961).

The spelling of 12255130740 in words is "twelve billion, two hundred fifty-five million, one hundred thirty thousand, seven hundred forty".