100012545242 has 16 divisors (see below), whose sum is σ = 152489222952. Its totient is φ = 49182923520.

The previous prime is 100012545229. The next prime is 100012545289. The reversal of 100012545242 is 242545210001.

It can be written as a sum of positive squares in 4 ways, for example, as 46100813521 + 53911731721 = 214711^2 + 232189^2 .

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 7 ways as a sum of consecutive naturals, for example, 2613398 + ... + 2651390.

Almost surely, 2^100012545242 is an apocalyptic number.

100012545242 is a deficient number, since it is larger than the sum of its proper divisors (52476677710).

100012545242 is a wasteful number, since it uses less digits than its factorization.

100012545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59633.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 100012545242 its reverse (242545210001), we get a palindrome (342557755243).

The spelling of 100012545242 in words is "one hundred billion, twelve million, five hundred forty-five thousand, two hundred forty-two".