12420234003403 has 16 divisors (see below), whose sum is σ = 12998041056000. Its totient is φ = 11845580171040.

The previous prime is 12420234003341. The next prime is 12420234003409. The reversal of 12420234003403 is 30430043202421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12420234003403 is a prime.

It is a super-2 number, since 2×12420234003403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12420234003409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301947148 + ... + 301988278.

It is an arithmetic number, because the mean of its divisors is an integer number (812377566000).

Almost surely, 2^{12420234003403} is an apocalyptic number.

12420234003403 is a deficient number, since it is larger than the sum of its proper divisors (577807052597).

12420234003403 is a wasteful number, since it uses less digits than its factorization.

12420234003403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79122.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12420234003403 its reverse (30430043202421), we get a palindrome (42850277205824).

The spelling of 12420234003403 in words is "twelve trillion, four hundred twenty billion, two hundred thirty-four million, three thousand, four hundred three".