1252323200426 has 16 divisors (see below), whose sum is σ = 1898946257544. Its totient is φ = 619348568064.

The previous prime is 1252323200411. The next prime is 1252323200503. The reversal of 1252323200426 is 6240023232521.

It can be written as a sum of positive squares in 4 ways, for example, as 1207570221025 + 44752979401 = 1098895^2 + 211549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1252323200392 and 1252323200401.

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 7 ways as a sum of consecutive naturals, for example, 1526255 + ... + 2198658.

Almost surely, 2^{1252323200426} is an apocalyptic number.

1252323200426 is a deficient number, since it is larger than the sum of its proper divisors (646623057118).

1252323200426 is a wasteful number, since it uses less digits than its factorization.

1252323200426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726745.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1252323200426 its reverse (6240023232521), we get a palindrome (7492346432947).

The spelling of 1252323200426 in words is "one trillion, two hundred fifty-two billion, three hundred twenty-three million, two hundred thousand, four hundred twenty-six".