3123301212 has 72 divisors (see below), whose sum is σ = 8271524352. Its totient is φ = 992455200.

The previous prime is 3123301193. The next prime is 3123301213. The reversal of 3123301212 is 2121033213.

3123301212 is a `hidden beast` number, since 312 + 330 + 1 + 21 + 2 = 666.

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 (3123301213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53887 + ... + 95657.

Almost surely, 2^3123301212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123301212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4135762176).

3123301212 is an abundant number, since it is smaller than the sum of its proper divisors (5148223140).

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

3123301212 is a wasteful number, since it uses less digits than its factorization.

3123301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41879 (or 41874 counting only the distinct ones).

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

The square root of 3123301212 is about 55886.5029501757. The cubic root of 3123301212 is about 1461.7438991539.

Adding to 3123301212 its reverse (2121033213), we get a palindrome (5244334425).

The spelling of 3123301212 in words is "three billion, one hundred twenty-three million, three hundred one thousand, two hundred twelve".