899505081012 has 24 divisors (see below), whose sum is σ = 2098883404800. Its totient is φ = 299829567616.

The previous prime is 899505080933. The next prime is 899505081019. The reversal of 899505081012 is 210180505998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899505081019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34189 + ... + 1341707.

It is an arithmetic number, because the mean of its divisors is an integer number (87453475200).

Almost surely, 2^899505081012 is an apocalyptic number.

It is an amenable number.

899505081012 is an abundant number, since it is smaller than the sum of its proper divisors (1199378323788).

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

899505081012 is a wasteful number, since it uses less digits than its factorization.

899505081012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364855 (or 1364853 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 48.

The spelling of 899505081012 in words is "eight hundred ninety-nine billion, five hundred five million, eighty-one thousand, twelve".