301243213252 has 12 divisors (see below), whose sum is σ = 535817846956. Its totient is φ = 148152399840.

The previous prime is 301243213247. The next prime is 301243213303. The reversal of 301243213252 is 252312342103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 168006532996 + 133236680256 = 409886^2 + 365016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 301243213252.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 617301423 + ... + 617301910.

Almost surely, 2^301243213252 is an apocalyptic number.

It is an amenable number.

301243213252 is a deficient number, since it is larger than the sum of its proper divisors (234574633704).

301243213252 is a wasteful number, since it uses less digits than its factorization.

301243213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234603398 (or 1234603396 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 301243213252 its reverse (252312342103), we get a palindrome (553555555355).

The spelling of 301243213252 in words is "three hundred one billion, two hundred forty-three million, two hundred thirteen thousand, two hundred fifty-two".