12520215363 has 8 divisors (see below), whose sum is σ = 17144799568. Its totient is φ = 8121220704.

The previous prime is 12520215343. The next prime is 12520215391. The reversal of 12520215363 is 36351202521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12520215363 - 2⁶ = 12520215299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12520215363.

It is not an unprimeable number, because it can be changed into a prime (12520215313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56397256 + ... + 56397477.

It is an arithmetic number, because the mean of its divisors is an integer number (2143099946).

Almost surely, 2^12520215363 is an apocalyptic number.

12520215363 is a deficient number, since it is larger than the sum of its proper divisors (4624584205).

12520215363 is a wasteful number, since it uses less digits than its factorization.

12520215363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112794773.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12520215363 its reverse (36351202521), we get a palindrome (48871417884).

The spelling of 12520215363 in words is "twelve billion, five hundred twenty million, two hundred fifteen thousand, three hundred sixty-three".