3031122012 has 12 divisors (see below), whose sum is σ = 7072618056. Its totient is φ = 1010374000.

The previous prime is 3031122011. The next prime is 3031122037. The reversal of 3031122012 is 2102211303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3031121982 and 3031122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031122011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126296739 + ... + 126296762.

It is an arithmetic number, because the mean of its divisors is an integer number (589384838).

Almost surely, 2^3031122012 is an apocalyptic number.

It is an amenable number.

3031122012 is an abundant number, since it is smaller than the sum of its proper divisors (4041496044).

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

3031122012 is a wasteful number, since it uses less digits than its factorization.

3031122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252593508 (or 252593506 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3031122012 is about 55055.6265244525. The cubic root of 3031122012 is about 1447.2197238640.

Adding to 3031122012 its reverse (2102211303), we get a palindrome (5133333315).

The spelling of 3031122012 in words is "three billion, thirty-one million, one hundred twenty-two thousand, twelve".