1251310323352 has 16 divisors (see below), whose sum is σ = 2346287789160. Its totient is φ = 625633579584.

The previous prime is 1251310323301. The next prime is 1251310323377. The reversal of 1251310323352 is 2533230131521.

It is a congruent number.

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, 2450013 + ... + 2916364.

Almost surely, 2^{1251310323352} is an apocalyptic number.

It is an amenable number.

1251310323352 is a deficient number, since it is larger than the sum of its proper divisors (1094977465808).

1251310323352 is a wasteful number, since it uses less digits than its factorization.

1251310323352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395530 (or 5395526 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1251310323352 its reverse (2533230131521), we get a palindrome (3784540454873).

The spelling of 1251310323352 in words is "one trillion, two hundred fifty-one billion, three hundred ten million, three hundred twenty-three thousand, three hundred fifty-two".