13421200203 has 16 divisors (see below), whose sum is σ = 20568890400. Its totient is φ = 8638932960.

The previous prime is 13421200201. The next prime is 13421200213. The reversal of 13421200203 is 30200212431.

13421200203 is a `hidden beast` number, since 1 + 342 + 120 + 0 + 203 = 666.

It is not a de Polignac number, because 13421200203 - 2¹ = 13421200201 is a prime.

It is a super-2 number, since 2×13421200203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13421200201) 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, 8569588 + ... + 8571153.

It is an arithmetic number, because the mean of its divisors is an integer number (1285555650).

Almost surely, 2^13421200203 is an apocalyptic number.

13421200203 is a deficient number, since it is larger than the sum of its proper divisors (7147690197).

13421200203 is a wasteful number, since it uses less digits than its factorization.

13421200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17140779 (or 17140773 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13421200203 its reverse (30200212431), we get a palindrome (43621412634).

The spelling of 13421200203 in words is "thirteen billion, four hundred twenty-one million, two hundred thousand, two hundred three".