12144872238510 has 128 divisors (see below), whose sum is σ = 33710323765248. Its totient is φ = 2772230400000.

The previous prime is 12144872238497. The next prime is 12144872238517. The reversal of 12144872238510 is 1583227844121.

It is a self number, because there is not a number n which added to its sum of digits gives 12144872238510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144872238517) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15664491 + ... + 16421510.

It is an arithmetic number, because the mean of its divisors is an integer number (263361904416).

Almost surely, 2^{12144872238510} is an apocalyptic number.

12144872238510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12144872238510 is an abundant number, since it is smaller than the sum of its proper divisors (21565451526738).

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

12144872238510 is a wasteful number, since it uses less digits than its factorization.

12144872238510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32086090.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 12144872238510 in words is "twelve trillion, one hundred forty-four billion, eight hundred seventy-two million, two hundred thirty-eight thousand, five hundred ten".