545122012 has 12 divisors (see below), whose sum is σ = 955122840. Its totient is φ = 272229776.

The previous prime is 545122007. The next prime is 545122021. The reversal of 545122012 is 210221545.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 79087 + ... + 85702.

It is an arithmetic number, because the mean of its divisors is an integer number (79593570).

Almost surely, 2^545122012 is an apocalyptic number.

It is an amenable number.

545122012 is a deficient number, since it is larger than the sum of its proper divisors (410000828).

545122012 is a wasteful number, since it uses less digits than its factorization.

545122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165620 (or 165618 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 545122012 is about 23347.8481235423. The cubic root of 545122012 is about 816.8918685517.

Adding to 545122012 its reverse (210221545), we get a palindrome (755343557).

The spelling of 545122012 in words is "five hundred forty-five million, one hundred twenty-two thousand, twelve".