223012201231242 has 12 divisors (see below), whose sum is σ = 483193102667730. Its totient is φ = 74337400410408.

The previous prime is 223012201231241. The next prime is 223012201231279. The reversal of 223012201231242 is 242132102210322.

223012201231242 is a `hidden beast` number, since 2 + 2 + 301 + 2 + 2 + 0 + 1 + 2 + 312 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 221709747386241 + 1302453845001 = 14889921^2 + 1141251^2 .

It is not an unprimeable number, because it can be changed into a prime (223012201231241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6194783367517 + ... + 6194783367552.

Almost surely, 2^{223012201231242} is an apocalyptic number.

223012201231242 is an abundant number, since it is smaller than the sum of its proper divisors (260180901436488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223012201231242 is a wasteful number, since it uses less digits than its factorization.

223012201231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389566735077 (or 12389566735074 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 223012201231242 its reverse (242132102210322), we get a palindrome (465144303441564).

The spelling of 223012201231242 in words is "two hundred twenty-three trillion, twelve billion, two hundred one million, two hundred thirty-one thousand, two hundred forty-two".