3231111212 has 24 divisors (see below), whose sum is σ = 6685059360. Its totient is φ = 1337011200.

The previous prime is 3231111199. The next prime is 3231111227. The reversal of 3231111212 is 2121111323.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988789 + ... + 1990412.

It is an arithmetic number, because the mean of its divisors is an integer number (278544140).

Almost surely, 2^3231111212 is an apocalyptic number.

It is an amenable number.

3231111212 is an abundant number, since it is smaller than the sum of its proper divisors (3453948148).

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

3231111212 is a wasteful number, since it uses less digits than its factorization.

3231111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979241 (or 3979239 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 3231111212 is about 56842.8642135493. The cubic root of 3231111212 is about 1478.3728178146.

Adding to 3231111212 its reverse (2121111323), we get a palindrome (5352222535).

It can be divided in two parts, 3231111 and 212, that added together give a palindrome (3231323).

The spelling of 3231111212 in words is "three billion, two hundred thirty-one million, one hundred eleven thousand, two hundred twelve".