3223111212 has 18 divisors (see below), whose sum is σ = 8147308988. Its totient is φ = 1074370392.

The previous prime is 3223111163. The next prime is 3223111223. The reversal of 3223111212 is 2121113223.

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 a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44765398 + ... + 44765469.

Almost surely, 2^3223111212 is an apocalyptic number.

It is an amenable number.

3223111212 is an abundant number, since it is smaller than the sum of its proper divisors (4924197776).

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

3223111212 is a wasteful number, since it uses less digits than its factorization.

3223111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89530877 (or 89530872 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3223111212 is about 56772.4511713208. The cubic root of 3223111212 is about 1477.1516943749.

Adding to 3223111212 its reverse (2121113223), we get a palindrome (5344224435).

The spelling of 3223111212 in words is "three billion, two hundred twenty-three million, one hundred eleven thousand, two hundred twelve".