12515300140220 has 24 divisors (see below), whose sum is σ = 27665400310800. Its totient is φ = 4742640052992.

The previous prime is 12515300140207. The next prime is 12515300140241. The reversal of 12515300140220 is 2204100351521.

It is a self number, because there is not a number n which added to its sum of digits gives 12515300140220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16467499805 + ... + 16467500564.

It is an arithmetic number, because the mean of its divisors is an integer number (1152725012950).

Almost surely, 2^{12515300140220} is an apocalyptic number.

12515300140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12515300140220 is an abundant number, since it is smaller than the sum of its proper divisors (15150100170580).

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

12515300140220 is a wasteful number, since it uses less digits than its factorization.

12515300140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32935000397 (or 32935000395 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12515300140220 its reverse (2204100351521), we get a palindrome (14719400491741).

The spelling of 12515300140220 in words is "twelve trillion, five hundred fifteen billion, three hundred million, one hundred forty thousand, two hundred twenty".