12420401203 has 8 divisors (see below), whose sum is σ = 14578386272. Its totient is φ = 10358326656.

The previous prime is 12420401183. The next prime is 12420401237. The reversal of 12420401203 is 30210402421.

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 12420401203 - 2¹⁷ = 12420270131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12420401803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23977350 + ... + 23977867.

It is an arithmetic number, because the mean of its divisors is an integer number (1822298284).

Almost surely, 2^12420401203 is an apocalyptic number.

12420401203 is a deficient number, since it is larger than the sum of its proper divisors (2157985069).

12420401203 is an equidigital number, since it uses as much as digits as its factorization.

12420401203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47955261.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12420401203 its reverse (30210402421), we get a palindrome (42630803624).

The spelling of 12420401203 in words is "twelve billion, four hundred twenty million, four hundred one thousand, two hundred three".