303310122012 has 36 divisors (see below), whose sum is σ = 769429083696. Its totient is φ = 100743572160.

The previous prime is 303310122001. The next prime is 303310122019. The reversal of 303310122012 is 210221013303.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×303310122012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303310122019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14981488 + ... + 15001719.

Almost surely, 2^303310122012 is an apocalyptic number.

It is an amenable number.

303310122012 is an abundant number, since it is smaller than the sum of its proper divisors (466118961684).

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

303310122012 is a wasteful number, since it uses less digits than its factorization.

303310122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29983498 (or 29983493 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 303310122012 its reverse (210221013303), we get a palindrome (513531135315).

The spelling of 303310122012 in words is "three hundred three billion, three hundred ten million, one hundred twenty-two thousand, twelve".