303808681212 has 12 divisors (see below), whose sum is σ = 708886922856. Its totient is φ = 101269560400.

The previous prime is 303808681157. The next prime is 303808681213. The reversal of 303808681212 is 212186808303.

303808681212 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303808681213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12658695039 + ... + 12658695062.

It is an arithmetic number, because the mean of its divisors is an integer number (59073910238).

Almost surely, 2^303808681212 is an apocalyptic number.

It is an amenable number.

303808681212 is an abundant number, since it is smaller than the sum of its proper divisors (405078241644).

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

303808681212 is a wasteful number, since it uses less digits than its factorization.

303808681212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25317390108 (or 25317390106 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 303808681212 in words is "three hundred three billion, eight hundred eight million, six hundred eighty-one thousand, two hundred twelve".