12315220251503 has 8 divisors (see below), whose sum is σ = 13839177272928. Its totient is φ = 10873639285344.

The previous prime is 12315220251491. The next prime is 12315220251539. The reversal of 12315220251503 is 30515202251321.

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

It is a cyclic number.

It is not a de Polignac number, because 12315220251503 - 2¹⁶ = 12315220185967 is a prime.

It is a super-2 number, since 2×12315220251503² (a number of 27 digits) contains 22 as substring.

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 12315220251503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315220251403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20594013500 + ... + 20594014097.

It is an arithmetic number, because the mean of its divisors is an integer number (1729897159116).

Almost surely, 2^{12315220251503} is an apocalyptic number.

12315220251503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12315220251503 is a deficient number, since it is larger than the sum of its proper divisors (1523957021425).

12315220251503 is a wasteful number, since it uses less digits than its factorization.

12315220251503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41188027633.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 12315220251503 in words is "twelve trillion, three hundred fifteen billion, two hundred twenty million, two hundred fifty-one thousand, five hundred three".