3212131212 has 18 divisors (see below), whose sum is σ = 8119553988. Its totient is φ = 1070710392.

The previous prime is 3212131201. The next prime is 3212131259. The reversal of 3212131212 is 2121312123.

3212131212 is a `hidden beast` number, since 321 + 2 + 131 + 212 = 666.

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, 44612898 + ... + 44612969.

Almost surely, 2^3212131212 is an apocalyptic number.

It is an amenable number.

3212131212 is an abundant number, since it is smaller than the sum of its proper divisors (4907422776).

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

3212131212 is a wasteful number, since it uses less digits than its factorization.

3212131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89225877 (or 89225872 counting only the distinct ones).

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

The square root of 3212131212 is about 56675.6668421290. Note that the first 3 decimals coincide. The cubic root of 3212131212 is about 1475.4724082152.

Adding to 3212131212 its reverse (2121312123), we get a palindrome (5333443335).

It can be divided in two parts, 3 and 212131212, that multiplied together give a palindrome (636393636).

The spelling of 3212131212 in words is "three billion, two hundred twelve million, one hundred thirty-one thousand, two hundred twelve".