3133120212 has 36 divisors (see below), whose sum is σ = 8192932020. Its totient is φ = 1008360192.

The previous prime is 3133120141. The next prime is 3133120217. The reversal of 3133120212 is 2120213313.

It can be written as a sum of positive squares in 2 ways, for example, as 950735556 + 2182384656 = 30834^2 + 46716^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133120217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1499493 + ... + 1501580.

It is an arithmetic number, because the mean of its divisors is an integer number (227581445).

Almost surely, 2^3133120212 is an apocalyptic number.

It is an amenable number.

3133120212 is an abundant number, since it is smaller than the sum of its proper divisors (5059811808).

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

3133120212 is a wasteful number, since it uses less digits than its factorization.

3133120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001112 (or 3001107 counting only the distinct ones).

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

The square root of 3133120212 is about 55974.2817015100. The cubic root of 3133120212 is about 1463.2741015259.

Adding to 3133120212 its reverse (2120213313), we get a palindrome (5253333525).

The spelling of 3133120212 in words is "three billion, one hundred thirty-three million, one hundred twenty thousand, two hundred twelve".