12315012253 has 8 divisors (see below), whose sum is σ = 12652775640. Its totient is φ = 11977508160.

The previous prime is 12315012209. The next prime is 12315012263. The reversal of 12315012253 is 35221051321.

It can be written as a sum of positive squares in 4 ways, for example, as 8719450884 + 3595561369 = 93378^2 + 59963^2 .

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 12315012253 - 2²¹ = 12312915101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315012263) 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, 33483 + ... + 160471.

It is an arithmetic number, because the mean of its divisors is an integer number (1581596955).

Almost surely, 2^12315012253 is an apocalyptic number.

It is an amenable number.

12315012253 is a deficient number, since it is larger than the sum of its proper divisors (337763387).

12315012253 is a wasteful number, since it uses less digits than its factorization.

12315012253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129647.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 12315012253 its reverse (35221051321), we get a palindrome (47536063574).

The spelling of 12315012253 in words is "twelve billion, three hundred fifteen million, twelve thousand, two hundred fifty-three".