12061330421 has 8 divisors (see below), whose sum is σ = 13785241344. Its totient is φ = 10337635440.

The previous prime is 12061330409. The next prime is 12061330447. The reversal of 12061330421 is 12403316021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12061330421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061330621) 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, 92051 + ... + 180543.

It is an arithmetic number, because the mean of its divisors is an integer number (1723155168).

Almost surely, 2^12061330421 is an apocalyptic number.

It is an amenable number.

12061330421 is a deficient number, since it is larger than the sum of its proper divisors (1723910923).

12061330421 is an equidigital number, since it uses as much as digits as its factorization.

12061330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107971.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12061330421 its reverse (12403316021), we get a palindrome (24464646442).

The spelling of 12061330421 in words is "twelve billion, sixty-one million, three hundred thirty thousand, four hundred twenty-one".