12421658111 has 8 divisors (see below), whose sum is σ = 12726358848. Its totient is φ = 12117040000.

The previous prime is 12421658017. The next prime is 12421658149. The reversal of 12421658111 is 11185612421.

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-12421658111 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 (12421658191) 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, 375731 + ... + 407451.

It is an arithmetic number, because the mean of its divisors is an integer number (1590794856).

Almost surely, 2^12421658111 is an apocalyptic number.

12421658111 is a deficient number, since it is larger than the sum of its proper divisors (304700737).

12421658111 is an equidigital number, since it uses as much as digits as its factorization.

12421658111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41313.

The product of its digits is 3840, while the sum is 32.

The spelling of 12421658111 in words is "twelve billion, four hundred twenty-one million, six hundred fifty-eight thousand, one hundred eleven".