1228800885512 has 16 divisors (see below), whose sum is σ = 2383449993900. Its totient is φ = 593214220480.

The previous prime is 1228800885467. The next prime is 1228800885551. The reversal of 1228800885512 is 2155880088221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1173092612836 + 55708272676 = 1083094^2 + 236026^2 .

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 3 ways as a sum of consecutive naturals, for example, 2648277539 + ... + 2648278002.

Almost surely, 2^{1228800885512} is an apocalyptic number.

It is an amenable number.

1228800885512 is a deficient number, since it is larger than the sum of its proper divisors (1154649108388).

1228800885512 is a wasteful number, since it uses less digits than its factorization.

1228800885512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296555576 (or 5296555572 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 50.

The spelling of 1228800885512 in words is "one trillion, two hundred twenty-eight billion, eight hundred million, eight hundred eighty-five thousand, five hundred twelve".