12465331120 has 80 divisors (see below), whose sum is σ = 31929876000. Its totient is φ = 4487936000.

The previous prime is 12465331097. The next prime is 12465331127. The reversal of 12465331120 is 2113356421.

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

It is a super-4 number, since 4×12465331120⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12465331127) 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, 18756 + ... + 159004.

It is an arithmetic number, because the mean of its divisors is an integer number (399123450).

Almost surely, 2^12465331120 is an apocalyptic number.

12465331120 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 12465331120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15964938000).

12465331120 is an abundant number, since it is smaller than the sum of its proper divisors (19464544880).

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

12465331120 is a wasteful number, since it uses less digits than its factorization.

12465331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140374 (or 140368 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 12465331120 its reverse (2113356421), we get a palindrome (14578687541).

The spelling of 12465331120 in words is "twelve billion, four hundred sixty-five million, three hundred thirty-one thousand, one hundred twenty".