12403200230421 has 512 divisors, whose sum is σ = 23777987788800. Its totient is φ = 5547486597120.

The previous prime is 12403200230411. The next prime is 12403200230423.

It is a happy number.

12403200230421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12403200230421 - 2⁵ = 12403200230389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12403200230391 and 12403200230400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403200230423) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 69291621310 + ... + 69291621488.

It is an arithmetic number, because the mean of its divisors is an integer number (46441382400).

Almost surely, 2^{12403200230421} is an apocalyptic number.

12403200230421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12403200230421 is a deficient number, since it is larger than the sum of its proper divisors (11374787558379).

12403200230421 is a wasteful number, since it uses less digits than its factorization.

12403200230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 12403200 and 230421, that added together give a palindrome (12633621).

The spelling of 12403200230421 in words is "twelve trillion, four hundred three billion, two hundred million, two hundred thirty thousand, four hundred twenty-one".