14121230536 has 128 divisors (see below), whose sum is σ = 32052672000. Its totient is φ = 5704538112.

The previous prime is 14121230531. The next prime is 14121230549. The reversal of 14121230536 is 63503212141.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (14121230531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30899620 + ... + 30900076.

It is an arithmetic number, because the mean of its divisors is an integer number (250411500).

Almost surely, 2^14121230536 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 14121230536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16026336000).

14121230536 is an abundant number, since it is smaller than the sum of its proper divisors (17931441464).

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

14121230536 is a wasteful number, since it uses less digits than its factorization.

14121230536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 14121230536 its reverse (63503212141), we get a palindrome (77624442677).

The spelling of 14121230536 in words is "fourteen billion, one hundred twenty-one million, two hundred thirty thousand, five hundred thirty-six".