1252521330050 has 12 divisors (see below), whose sum is σ = 2329689673986. Its totient is φ = 501008532000.

The previous prime is 1252521330031. The next prime is 1252521330077. The reversal of 1252521330050 is 500331252521.

It can be written as a sum of positive squares in 3 ways, for example, as 533541132721 + 718980197329 = 730439^2 + 847927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1252521329995 and 1252521330022.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12525213251 + ... + 12525213350.

Almost surely, 2^{1252521330050} is an apocalyptic number.

1252521330050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252521330050 is a deficient number, since it is larger than the sum of its proper divisors (1077168343936).

1252521330050 is a wasteful number, since it uses less digits than its factorization.

1252521330050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25050426613 (or 25050426608 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 1252521330050 its reverse (500331252521), we get a palindrome (1752852582571).

The spelling of 1252521330050 in words is "one trillion, two hundred fifty-two billion, five hundred twenty-one million, three hundred thirty thousand, fifty".