42321211203 has 32 divisors (see below), whose sum is σ = 61152883200. Its totient is φ = 25962875136.

The previous prime is 42321211199. The next prime is 42321211217. The reversal of 42321211203 is 30211212324.

It is not a de Polignac number, because 42321211203 - 2² = 42321211199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42321211203.

It is not an unprimeable number, because it can be changed into a prime (42321211403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134088 + ... + 320346.

It is an arithmetic number, because the mean of its divisors is an integer number (1911027600).

Almost surely, 2^42321211203 is an apocalyptic number.

42321211203 is a deficient number, since it is larger than the sum of its proper divisors (18831671997).

42321211203 is a wasteful number, since it uses less digits than its factorization.

42321211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186411.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42321211203 its reverse (30211212324), we get a palindrome (72532423527).

It can be divided in two parts, 4232121 and 1203, that added together give a palindrome (4233324).

The spelling of 42321211203 in words is "forty-two billion, three hundred twenty-one million, two hundred eleven thousand, two hundred three".