12510512303450 has 48 divisors (see below), whose sum is σ = 26857079501184. Its totient is φ = 4246849992000.

The previous prime is 12510512303447. The next prime is 12510512303453. The reversal of 12510512303450 is 5430321501521.

It is an interprime number because it is at equal distance from previous prime (12510512303447) and next prime (12510512303453).

It is not an unprimeable number, because it can be changed into a prime (12510512303453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176916734 + ... + 176987433.

It is an arithmetic number, because the mean of its divisors is an integer number (559522489608).

Almost surely, 2^{12510512303450} is an apocalyptic number.

12510512303450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12510512303450 is an abundant number, since it is smaller than the sum of its proper divisors (14346567197734).

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

12510512303450 is a wasteful number, since it uses less digits than its factorization.

12510512303450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353904287 (or 353904282 counting only the distinct ones).

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

Adding to 12510512303450 its reverse (5430321501521), we get a palindrome (17940833804971).

The spelling of 12510512303450 in words is "twelve trillion, five hundred ten billion, five hundred twelve million, three hundred three thousand, four hundred fifty".