3123020212 has 12 divisors (see below), whose sum is σ = 5885692036. Its totient is φ = 1441393920.

The previous prime is 3123020191. The next prime is 3123020269. The reversal of 3123020212 is 2120203213.

It can be written as a sum of positive squares in 2 ways, for example, as 356680996 + 2766339216 = 18886^2 + 52596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30028989 + ... + 30029092.

Almost surely, 2^3123020212 is an apocalyptic number.

It is an amenable number.

3123020212 is a deficient number, since it is larger than the sum of its proper divisors (2762671824).

3123020212 is a wasteful number, since it uses less digits than its factorization.

3123020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60058098 (or 60058096 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3123020212 is about 55883.9888698006. The cubic root of 3123020212 is about 1461.7000606716.

Adding to 3123020212 its reverse (2120203213), we get a palindrome (5243223425).

The spelling of 3123020212 in words is "three billion, one hundred twenty-three million, twenty thousand, two hundred twelve".