3215350012 has 72 divisors (see below), whose sum is σ = 7295475600. Its totient is φ = 1228663296.

The previous prime is 3215350009. The next prime is 3215350027. The reversal of 3215350012 is 2100535123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37914 + ... + 88702.

It is an arithmetic number, because the mean of its divisors is an integer number (101326050).

Almost surely, 2^3215350012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215350012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3647737800).

3215350012 is an abundant number, since it is smaller than the sum of its proper divisors (4080125588).

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

3215350012 is a wasteful number, since it uses less digits than its factorization.

3215350012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50843 (or 50834 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3215350012 is about 56704.0563981097. The cubic root of 3215350012 is about 1475.9650889087.

Adding to 3215350012 its reverse (2100535123), we get a palindrome (5315885135).

The spelling of 3215350012 in words is "three billion, two hundred fifteen million, three hundred fifty thousand, twelve".