213224121222050 has 12 divisors (see below), whose sum is σ = 396596865473106. Its totient is φ = 85289648488800.

The previous prime is 213224121222041. The next prime is 213224121222103. The reversal of 213224121222050 is 50222121422312.

It can be written as a sum of positive squares in 3 ways, for example, as 155284271838721 + 57939849383329 = 12461311^2 + 7611823^2 .

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 5 ways as a sum of consecutive naturals, for example, 2132241212171 + ... + 2132241212270.

Almost surely, 2^{213224121222050} is an apocalyptic number.

213224121222050 is a deficient number, since it is larger than the sum of its proper divisors (183372744251056).

213224121222050 is a wasteful number, since it uses less digits than its factorization.

213224121222050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264482424453 (or 4264482424448 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 213224121222050 its reverse (50222121422312), we get a palindrome (263446242644362).

The spelling of 213224121222050 in words is "two hundred thirteen trillion, two hundred twenty-four billion, one hundred twenty-one million, two hundred twenty-two thousand, fifty".