12312513435302 has 4 divisors (see below), whose sum is σ = 18468770152956. Its totient is φ = 6156256717650.

The previous prime is 12312513435301. The next prime is 12312513435353. The reversal of 12312513435302 is 20353431521321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312513435301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078128358824 + ... + 3078128358827.

It is an arithmetic number, because the mean of its divisors is an integer number (4617192538239).

Almost surely, 2^{12312513435302} is an apocalyptic number.

12312513435302 is a deficient number, since it is larger than the sum of its proper divisors (6156256717654).

12312513435302 is an equidigital number, since it uses as much as digits as its factorization.

12312513435302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156256717653.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 12312513435302 its reverse (20353431521321), we get a palindrome (32665944956623).

The spelling of 12312513435302 in words is "twelve trillion, three hundred twelve billion, five hundred thirteen million, four hundred thirty-five thousand, three hundred two".