12540031315030 has 8 divisors (see below), whose sum is σ = 22572056367072. Its totient is φ = 5016012526008.

The previous prime is 12540031315013. The next prime is 12540031315039. The reversal of 12540031315030 is 3051313004521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12540031315030² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12540031315030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540031315039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627001565742 + ... + 627001565761.

It is an arithmetic number, because the mean of its divisors is an integer number (2821507045884).

Almost surely, 2^{12540031315030} is an apocalyptic number.

12540031315030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12540031315030 is a deficient number, since it is larger than the sum of its proper divisors (10032025052042).

12540031315030 is a wasteful number, since it uses less digits than its factorization.

12540031315030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254003131510.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 12540031315030 its reverse (3051313004521), we get a palindrome (15591344319551).

The spelling of 12540031315030 in words is "twelve trillion, five hundred forty billion, thirty-one million, three hundred fifteen thousand, thirty".