12530031012455 has 32 divisors (see below), whose sum is σ = 17340367299840. Its totient is φ = 8596079182080.

The previous prime is 12530031012437. The next prime is 12530031012479. The reversal of 12530031012455 is 55421013003521.

It is not a de Polignac number, because 12530031012455 - 2²² = 12530026818151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25487117 + ... + 25974086.

It is an arithmetic number, because the mean of its divisors is an integer number (541886478120).

Almost surely, 2^{12530031012455} is an apocalyptic number.

12530031012455 is a deficient number, since it is larger than the sum of its proper divisors (4810336287385).

12530031012455 is a wasteful number, since it uses less digits than its factorization.

12530031012455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51461471.

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

Adding to 12530031012455 its reverse (55421013003521), we get a palindrome (67951044015976).

The spelling of 12530031012455 in words is "twelve trillion, five hundred thirty billion, thirty-one million, twelve thousand, four hundred fifty-five".