12531140030 has 32 divisors (see below), whose sum is σ = 22897105920. Its totient is φ = 4936811040.

The previous prime is 12531140029. The next prime is 12531140059. The reversal of 12531140030 is 3004113521.

It is a junction number, because it is equal to n+sod(n) for n = 12531139984 and 12531140011.

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 15 ways as a sum of consecutive naturals, for example, 729197 + ... + 746183.

It is an arithmetic number, because the mean of its divisors is an integer number (715534560).

Almost surely, 2^12531140030 is an apocalyptic number.

12531140030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12531140030 is a deficient number, since it is larger than the sum of its proper divisors (10365965890).

12531140030 is a wasteful number, since it uses less digits than its factorization.

12531140030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18104.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 12531140030 its reverse (3004113521), we get a palindrome (15535253551).

The spelling of 12531140030 in words is "twelve billion, five hundred thirty-one million, one hundred forty thousand, thirty".