1252103472162 has 24 divisors (see below), whose sum is σ = 2737779767580. Its totient is φ = 413538760800.

The previous prime is 1252103472161. The next prime is 1252103472227. The reversal of 1252103472162 is 2612743012521.

1252103472162 is a `hidden beast` number, since 1 + 2 + 5 + 21 + 0 + 3 + 472 + 162 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1135739935521 + 116363536641 = 1065711^2 + 341121^2 .

It is not an unprimeable number, because it can be changed into a prime (1252103472161) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 319086589 + ... + 319090512.

Almost surely, 2^{1252103472162} is an apocalyptic number.

1252103472162 is an abundant number, since it is smaller than the sum of its proper divisors (1485676295418).

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

1252103472162 is a wasteful number, since it uses less digits than its factorization.

1252103472162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638177218 (or 638177215 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 1252103472162 its reverse (2612743012521), we get a palindrome (3864846484683).

The spelling of 1252103472162 in words is "one trillion, two hundred fifty-two billion, one hundred three million, four hundred seventy-two thousand, one hundred sixty-two".