12041013421 has 8 divisors (see below), whose sum is σ = 12120584480. Its totient is φ = 11961479088.

The previous prime is 12041013403. The next prime is 12041013427. The reversal of 12041013421 is 12431014021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12041013421 - 2²¹ = 12038916269 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 (12041013427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033390 + ... + 1044976.

It is an arithmetic number, because the mean of its divisors is an integer number (1515073060).

Almost surely, 2^12041013421 is an apocalyptic number.

It is an amenable number.

12041013421 is a deficient number, since it is larger than the sum of its proper divisors (79571059).

12041013421 is a wasteful number, since it uses less digits than its factorization.

12041013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12041013421 its reverse (12431014021), we get a palindrome (24472027442).

The spelling of 12041013421 in words is "twelve billion, forty-one million, thirteen thousand, four hundred twenty-one".