12501244144356 has 192 divisors, whose sum is σ = 34476260044800. Its totient is φ = 3485352499200.

The previous prime is 12501244144351. The next prime is 12501244144373. The reversal of 12501244144356 is 65344144210521.

It is a super-2 number, since 2×12501244144356² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12501244144351) 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, 11568876 + ... + 12603228.

It is an arithmetic number, because the mean of its divisors is an integer number (179563854400).

Almost surely, 2^{12501244144356} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12501244144356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17238130022400).

12501244144356 is an abundant number, since it is smaller than the sum of its proper divisors (21975015900444).

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

12501244144356 is a wasteful number, since it uses less digits than its factorization.

12501244144356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034530 (or 1034528 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 12501244144356 its reverse (65344144210521), we get a palindrome (77845388354877).

The spelling of 12501244144356 in words is "twelve trillion, five hundred one billion, two hundred forty-four million, one hundred forty-four thousand, three hundred fifty-six".