3122005012 has 36 divisors (see below), whose sum is σ = 6426956340. Its totient is φ = 1322961024.

The previous prime is 3122004989. The next prime is 3122005031. The reversal of 3122005012 is 2105002213.

It can be written as a sum of positive squares in 2 ways, for example, as 480661776 + 2641343236 = 21924^2 + 51394^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72043 + ... + 106930.

It is an arithmetic number, because the mean of its divisors is an integer number (178526565).

Almost surely, 2^3122005012 is an apocalyptic number.

It is an amenable number.

3122005012 is an abundant number, since it is smaller than the sum of its proper divisors (3304951328).

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

3122005012 is a wasteful number, since it uses less digits than its factorization.

3122005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179080 (or 179071 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3122005012 is about 55874.9050290021. The cubic root of 3122005012 is about 1461.5416585884.

Adding to 3122005012 its reverse (2105002213), we get a palindrome (5227007225).

The spelling of 3122005012 in words is "three billion, one hundred twenty-two million, five thousand, twelve".