3212111012 has 18 divisors (see below), whose sum is σ = 6178669014. Its totient is φ = 1460050240.

The previous prime is 3212111009. The next prime is 3212111017. The reversal of 3212111012 is 2101112123.

It can be written as a sum of positive squares in only one way, i.e., 3129954916 + 82156096 = 55946^2 + 9064^2 .

It is not an unprimeable number, because it can be changed into a prime (3212111017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3317813 + ... + 3318780.

Almost surely, 2^3212111012 is an apocalyptic number.

It is an amenable number.

3212111012 is a deficient number, since it is larger than the sum of its proper divisors (2966558002).

3212111012 is a wasteful number, since it uses less digits than its factorization.

3212111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636619 (or 6636606 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 3212111012 is about 56675.4886348587. The cubic root of 3212111012 is about 1475.4693152941.

Adding to 3212111012 its reverse (2101112123), we get a palindrome (5313223135).

It can be divided in two parts, 321211 and 1012, that added together give a palindrome (322223).

The spelling of 3212111012 in words is "three billion, two hundred twelve million, one hundred eleven thousand, twelve".