1252302040351 has 4 divisors (see below), whose sum is σ = 1325966866272. Its totient is φ = 1178637214432.

The previous prime is 1252302040291. The next prime is 1252302040393. The reversal of 1252302040351 is 1530402032521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1252302040351 - 2¹³ = 1252302032159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252302040751) by changing a digit.

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, 36832412935 + ... + 36832412968.

It is an arithmetic number, because the mean of its divisors is an integer number (331491716568).

Almost surely, 2^{1252302040351} is an apocalyptic number.

1252302040351 is a deficient number, since it is larger than the sum of its proper divisors (73664825921).

1252302040351 is an equidigital number, since it uses as much as digits as its factorization.

1252302040351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73664825920.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1252302040351 its reverse (1530402032521), we get a palindrome (2782704072872).

The spelling of 1252302040351 in words is "one trillion, two hundred fifty-two billion, three hundred two million, forty thousand, three hundred fifty-one".