14121312420 has 24 divisors (see below), whose sum is σ = 39539674944. Its totient is φ = 3765683296.

The previous prime is 14121312407. The next prime is 14121312467. The reversal of 14121312420 is 2421312141.

It is a super-2 number, since 2×14121312420² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117677544 + ... + 117677663.

It is an arithmetic number, because the mean of its divisors is an integer number (1647486456).

Almost surely, 2^14121312420 is an apocalyptic number.

14121312420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14121312420 is an abundant number, since it is smaller than the sum of its proper divisors (25418362524).

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

14121312420 is a wasteful number, since it uses less digits than its factorization.

14121312420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235355219 (or 235355217 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 14121312420 its reverse (2421312141), we get a palindrome (16542624561).

The spelling of 14121312420 in words is "fourteen billion, one hundred twenty-one million, three hundred twelve thousand, four hundred twenty".