2721352212 has 36 divisors (see below), whose sum is σ = 6892534740. Its totient is φ = 905329152.

The previous prime is 2721352187. The next prime is 2721352213. The reversal of 2721352212 is 2122531272.

It can be written as a sum of positive squares in 2 ways, for example, as 777071376 + 1944280836 = 27876^2 + 44094^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721352213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55933 + ... + 92580.

Almost surely, 2^2721352212 is an apocalyptic number.

It is an amenable number.

2721352212 is an abundant number, since it is smaller than the sum of its proper divisors (4171182528).

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

2721352212 is a wasteful number, since it uses less digits than its factorization.

2721352212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149032 (or 149027 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2721352212 is about 52166.5813716023. The cubic root of 2721352212 is about 1396.1376898587.

Adding to 2721352212 its reverse (2122531272), we get a palindrome (4843883484).

The spelling of 2721352212 in words is "two billion, seven hundred twenty-one million, three hundred fifty-two thousand, two hundred twelve".