3117221012 has 12 divisors (see below), whose sum is σ = 5455666356. Its totient is φ = 1558459200.

The previous prime is 3117221011. The next prime is 3117221017. The reversal of 3117221012 is 2101227113.

It can be written as a sum of positive squares in 2 ways, for example, as 2007398416 + 1109822596 = 44804^2 + 33314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117221011) 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, 17528 + ... + 80880.

It is an arithmetic number, because the mean of its divisors is an integer number (454638863).

Almost surely, 2^3117221012 is an apocalyptic number.

It is an amenable number.

3117221012 is a deficient number, since it is larger than the sum of its proper divisors (2338445344).

3117221012 is a wasteful number, since it uses less digits than its factorization.

3117221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75658 (or 75656 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 3117221012 is about 55832.0787003314. The cubic root of 3117221012 is about 1460.7947465118.

Adding to 3117221012 its reverse (2101227113), we get a palindrome (5218448125).

The spelling of 3117221012 in words is "three billion, one hundred seventeen million, two hundred twenty-one thousand, twelve".