803121120212 has 12 divisors (see below), whose sum is σ = 1488136193460. Its totient is φ = 377939350656.

The previous prime is 803121120203. The next prime is 803121120247. The reversal of 803121120212 is 212021121308.

It can be written as a sum of positive squares in 2 ways, for example, as 351985904656 + 451135215556 = 593284^2 + 671666^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5905302287 + ... + 5905302422.

It is an arithmetic number, because the mean of its divisors is an integer number (124011349455).

Almost surely, 2^803121120212 is an apocalyptic number.

It is an amenable number.

803121120212 is a deficient number, since it is larger than the sum of its proper divisors (685015073248).

803121120212 is a wasteful number, since it uses less digits than its factorization.

803121120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810604730 (or 11810604728 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The spelling of 803121120212 in words is "eight hundred three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".