303123012012 has 36 divisors (see below), whose sum is σ = 768005443296. Its totient is φ = 100806564960.

The previous prime is 303123011999. The next prime is 303123012109. The reversal of 303123012012 is 210210321303.

303123012012 is a `hidden beast` number, since 30 + 312 + 301 + 20 + 1 + 2 = 666.

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

It is a super-2 number, since 2×303123012012² (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 an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9752563 + ... + 9783594.

It is an arithmetic number, because the mean of its divisors is an integer number (21333484536).

Almost surely, 2^303123012012 is an apocalyptic number.

It is an amenable number.

303123012012 is an abundant number, since it is smaller than the sum of its proper divisors (464882431284).

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

303123012012 is a wasteful number, since it uses less digits than its factorization.

303123012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19536598 (or 19536593 counting only the distinct ones).

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

Adding to 303123012012 its reverse (210210321303), we get a palindrome (513333333315).

The spelling of 303123012012 in words is "three hundred three billion, one hundred twenty-three million, twelve thousand, twelve".