1252312440301 has 16 divisors (see below), whose sum is σ = 1381837323888. Its totient is φ = 1127541657600.

The previous prime is 1252312440299. The next prime is 1252312440307. The reversal of 1252312440301 is 1030442132521.

It can be written as a sum of positive squares in 8 ways, for example, as 489056854276 + 763255586025 = 699326^2 + 873645^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252312440301 - 2¹ = 1252312440299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252312440301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252312440307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229921 + ... + 2734441.

It is an arithmetic number, because the mean of its divisors is an integer number (86364832743).

Almost surely, 2^{1252312440301} is an apocalyptic number.

It is an amenable number.

1252312440301 is a deficient number, since it is larger than the sum of its proper divisors (129524883587).

1252312440301 is a wasteful number, since it uses less digits than its factorization.

1252312440301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509232.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1252312440301 its reverse (1030442132521), we get a palindrome (2282754572822).

The spelling of 1252312440301 in words is "one trillion, two hundred fifty-two billion, three hundred twelve million, four hundred forty thousand, three hundred one".