3120231212 has 24 divisors (see below), whose sum is σ = 6367821600. Its totient is φ = 1337241360.

The previous prime is 3120231197. The next prime is 3120231227. The reversal of 3120231212 is 2121320213.

It is an interprime number because it is at equal distance from previous prime (3120231197) and next prime (3120231227).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135739 + ... + 1138482.

It is an arithmetic number, because the mean of its divisors is an integer number (265325900).

Almost surely, 2^3120231212 is an apocalyptic number.

It is an amenable number.

3120231212 is an abundant number, since it is smaller than the sum of its proper divisors (3247590388).

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

3120231212 is a wasteful number, since it uses less digits than its factorization.

3120231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274246 (or 2274230 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3120231212 is about 55859.0298161363. The cubic root of 3120231212 is about 1461.2648093925.

Adding to 3120231212 its reverse (2121320213), we get a palindrome (5241551425).

The spelling of 3120231212 in words is "three billion, one hundred twenty million, two hundred thirty-one thousand, two hundred twelve".