3120223212 has 18 divisors (see below), whose sum is σ = 7887230988. Its totient is φ = 1040074392.

The previous prime is 3120223189. The next prime is 3120223213. The reversal of 3120223212 is 2123220213.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (3120223213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43336398 + ... + 43336469.

Almost surely, 2^3120223212 is an apocalyptic number.

It is an amenable number.

3120223212 is an abundant number, since it is smaller than the sum of its proper divisors (4767007776).

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

3120223212 is a wasteful number, since it uses less digits than its factorization.

3120223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86672877 (or 86672872 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3120223212 is about 55858.9582072562. The cubic root of 3120223212 is about 1461.2635605397.

Adding to 3120223212 its reverse (2123220213), we get a palindrome (5243443425).

Subtracting from 3120223212 its reverse (2123220213), we obtain a cube (997002999 = 999³).

The spelling of 3120223212 in words is "three billion, one hundred twenty million, two hundred twenty-three thousand, two hundred twelve".