12420331113 has 8 divisors (see below), whose sum is σ = 16563270528. Its totient is φ = 8278806224.

The previous prime is 12420331081. The next prime is 12420331153. The reversal of 12420331113 is 31113302421.

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 12420331113 - 2⁵ = 12420331081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12420331113.

It is not an unprimeable number, because it can be changed into a prime (12420331153) 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, 332970 + ... + 368387.

It is an arithmetic number, because the mean of its divisors is an integer number (2070408816).

Almost surely, 2^12420331113 is an apocalyptic number.

It is an amenable number.

12420331113 is a deficient number, since it is larger than the sum of its proper divisors (4142939415).

12420331113 is an equidigital number, since it uses as much as digits as its factorization.

12420331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707263.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12420331113 its reverse (31113302421), we get a palindrome (43533633534).

The spelling of 12420331113 in words is "twelve billion, four hundred twenty million, three hundred thirty-one thousand, one hundred thirteen".