303000121111020 has 48 divisors (see below), whose sum is σ = 871330078012128. Its totient is φ = 78616247639040.

The previous prime is 303000121111007. The next prime is 303000121111073. The reversal of 303000121111020 is 20111121000303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68243268301 + ... + 68243272740.

It is an arithmetic number, because the mean of its divisors is an integer number (18152709958586).

Almost surely, 2^{303000121111020} is an apocalyptic number.

303000121111020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

303000121111020 is an abundant number, since it is smaller than the sum of its proper divisors (568329956901108).

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

303000121111020 is a wasteful number, since it uses less digits than its factorization.

303000121111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136486541090 (or 136486541088 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 303000121111020 its reverse (20111121000303), we get a palindrome (323111242111323).

The spelling of 303000121111020 in words is "three hundred three trillion, one hundred twenty-one million, one hundred eleven thousand, twenty".