1205254043116 has 48 divisors (see below), whose sum is σ = 2172544022880. Its totient is φ = 584691770880.

The previous prime is 1205254043069. The next prime is 1205254043129. The reversal of 1205254043116 is 6113404525021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90552670 + ... + 90565978.

It is an arithmetic number, because the mean of its divisors is an integer number (45261333810).

Almost surely, 2^{1205254043116} is an apocalyptic number.

It is an amenable number.

1205254043116 is a deficient number, since it is larger than the sum of its proper divisors (967289979764).

1205254043116 is a wasteful number, since it uses less digits than its factorization.

1205254043116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16354 (or 16352 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 1205254043116 its reverse (6113404525021), we get a palindrome (7318658568137).

The spelling of 1205254043116 in words is "one trillion, two hundred five billion, two hundred fifty-four million, forty-three thousand, one hundred sixteen".