1252350123442 has 16 divisors (see below), whose sum is σ = 2099283135264. Its totient is φ = 555365908000.

The previous prime is 1252350123433. The next prime is 1252350123463. The reversal of 1252350123442 is 2443210532521.

It is a junction number, because it is equal to n+sod(n) for n = 1252350123398 and 1252350123407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694206484 + ... + 694208287.

It is an arithmetic number, because the mean of its divisors is an integer number (131205195954).

Almost surely, 2^{1252350123442} is an apocalyptic number.

1252350123442 is a deficient number, since it is larger than the sum of its proper divisors (846933011822).

1252350123442 is a wasteful number, since it uses less digits than its factorization.

1252350123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388414825.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1252350123442 its reverse (2443210532521), we get a palindrome (3695560655963).

The spelling of 1252350123442 in words is "one trillion, two hundred fifty-two billion, three hundred fifty million, one hundred twenty-three thousand, four hundred forty-two".