1252162356452 has 48 divisors (see below), whose sum is σ = 2517464140800. Its totient is φ = 533826612000.

The previous prime is 1252162356427. The next prime is 1252162356463. The reversal of 1252162356452 is 2546532612521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28121927 + ... + 28166417.

It is an arithmetic number, because the mean of its divisors is an integer number (52447169600).

Almost surely, 2^{1252162356452} is an apocalyptic number.

It is an amenable number.

1252162356452 is an abundant number, since it is smaller than the sum of its proper divisors (1265301784348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252162356452 is a wasteful number, since it uses less digits than its factorization.

1252162356452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49752 (or 49750 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

Adding to 1252162356452 its reverse (2546532612521), we get a palindrome (3798694968973).

The spelling of 1252162356452 in words is "one trillion, two hundred fifty-two billion, one hundred sixty-two million, three hundred fifty-six thousand, four hundred fifty-two".