12302025040 has 80 divisors (see below), whose sum is σ = 30147066000. Its totient is φ = 4661436416.

The previous prime is 12302025017. The next prime is 12302025049. The reversal of 12302025040 is 4052020321.

It can be written as a sum of positive squares in 8 ways, for example, as 1067720976 + 11234304064 = 32676^2 + 105992^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 12302024999 and 12302025017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302025049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72936 + ... + 172984.

It is an arithmetic number, because the mean of its divisors is an integer number (376838325).

Almost surely, 2^12302025040 is an apocalyptic number.

12302025040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12302025040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15073533000).

12302025040 is an abundant number, since it is smaller than the sum of its proper divisors (17845040960).

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

12302025040 is a wasteful number, since it uses less digits than its factorization.

12302025040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100144 (or 100138 counting only the distinct ones).

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

Adding to 12302025040 its reverse (4052020321), we get a palindrome (16354045361).

The spelling of 12302025040 in words is "twelve billion, three hundred two million, twenty-five thousand, forty".