303240020412 has 48 divisors (see below), whose sum is σ = 836524200960. Its totient is φ = 83652418752.

The previous prime is 303240020411. The next prime is 303240020431. The reversal of 303240020412 is 214020042303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303240020411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62238948 + ... + 62243819.

It is an arithmetic number, because the mean of its divisors is an integer number (17427587520).

Almost surely, 2^303240020412 is an apocalyptic number.

It is an amenable number.

303240020412 is an abundant number, since it is smaller than the sum of its proper divisors (533284180548).

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

303240020412 is a wasteful number, since it uses less digits than its factorization.

303240020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124482810 (or 124482808 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 303240020412 its reverse (214020042303), we get a palindrome (517260062715).

The spelling of 303240020412 in words is "three hundred three billion, two hundred forty million, twenty thousand, four hundred twelve".