3311203212 has 120 divisors (see below), whose sum is σ = 8795762976. Its totient is φ = 1086089472.

The previous prime is 3311203193. The next prime is 3311203213. The reversal of 3311203212 is 2123021133.

3311203212 is a `hidden beast` number, since 331 + 12 + 0 + 321 + 2 = 666.

It is a super-2 number, since 2×3311203212² = 21928133422318233888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3311203213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10445278 + ... + 10445594.

Almost surely, 2^3311203212 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 3311203212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4397881488).

3311203212 is an abundant number, since it is smaller than the sum of its proper divisors (5484559764).

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

3311203212 is a wasteful number, since it uses less digits than its factorization.

3311203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3311203212 is about 57543.0552890616. The cubic root of 3311203212 is about 1490.4884382786.

Adding to 3311203212 its reverse (2123021133), we get a palindrome (5434224345).

The spelling of 3311203212 in words is "three billion, three hundred eleven million, two hundred three thousand, two hundred twelve".