303111112021012 has 12 divisors (see below), whose sum is σ = 543382115452596. Its totient is φ = 147859079034560.

The previous prime is 303111112020979. The next prime is 303111112021013. The reversal of 303111112021012 is 210120211111303.

It can be written as a sum of positive squares in 2 ways, for example, as 132141784146436 + 170969327874576 = 11495294^2 + 13075524^2 .

It is a super-2 number, since 2×303111112021012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303111112021013) 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, 924119243803 + ... + 924119244130.

It is an arithmetic number, because the mean of its divisors is an integer number (45281842954383).

Almost surely, 2^{303111112021012} is an apocalyptic number.

It is an amenable number.

303111112021012 is a deficient number, since it is larger than the sum of its proper divisors (240271003431584).

303111112021012 is a wasteful number, since it uses less digits than its factorization.

303111112021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848238487978 (or 1848238487976 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 303111112021012 its reverse (210120211111303), we get a palindrome (513231323132315).

The spelling of 303111112021012 in words is "three hundred three trillion, one hundred eleven billion, one hundred twelve million, twenty-one thousand, twelve".