1252646335432 has 16 divisors (see below), whose sum is σ = 2352672616140. Its totient is φ = 625266971136.

The previous prime is 1252646335399. The next prime is 1252646335489. The reversal of 1252646335432 is 2345336462521.

It can be written as a sum of positive squares in 2 ways, for example, as 1063468312516 + 189178022916 = 1031246^2 + 434946^2 .

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 3 ways as a sum of consecutive naturals, for example, 132019533 + ... + 132029020.

Almost surely, 2^{1252646335432} is an apocalyptic number.

It is an amenable number.

1252646335432 is a deficient number, since it is larger than the sum of its proper divisors (1100026280708).

1252646335432 is a wasteful number, since it uses less digits than its factorization.

1252646335432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264049152 (or 264049148 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 46.

The spelling of 1252646335432 in words is "one trillion, two hundred fifty-two billion, six hundred forty-six million, three hundred thirty-five thousand, four hundred thirty-two".