12141353421 has 6 divisors (see below), whose sum is σ = 17537510510. Its totient is φ = 8094235608.

The previous prime is 12141353401. The next prime is 12141353423. The reversal of 12141353421 is 12435314121.

12141353421 is a `hidden beast` number, since 121 + 4 + 1 + 3 + 534 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8635055625 + 3506297796 = 92925^2 + 59214^2 .

It is not a de Polignac number, because 12141353421 - 2³¹ = 9993869773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141353423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674519626 + ... + 674519643.

Almost surely, 2^12141353421 is an apocalyptic number.

It is an amenable number.

12141353421 is a deficient number, since it is larger than the sum of its proper divisors (5396157089).

12141353421 is a wasteful number, since it uses less digits than its factorization.

12141353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349039275 (or 1349039272 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 12141353421 its reverse (12435314121), we get a palindrome (24576667542).

The spelling of 12141353421 in words is "twelve billion, one hundred forty-one million, three hundred fifty-three thousand, four hundred twenty-one".