14204121512 has 64 divisors (see below), whose sum is σ = 31308923520. Its totient is φ = 5913692928.

The previous prime is 14204121473. The next prime is 14204121527. The reversal of 14204121512 is 21512140241.

It is a super-2 number, since 2×14204121512² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410158 + ... + 1420194.

It is an arithmetic number, because the mean of its divisors is an integer number (489201930).

Almost surely, 2^14204121512 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 14204121512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15654461760).

14204121512 is an abundant number, since it is smaller than the sum of its proper divisors (17104802008).

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

14204121512 is a wasteful number, since it uses less digits than its factorization.

14204121512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770 (or 10766 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 14204121512 its reverse (21512140241), we get a palindrome (35716261753).

The spelling of 14204121512 in words is "fourteen billion, two hundred four million, one hundred twenty-one thousand, five hundred twelve".