3775821212 has 12 divisors (see below), whose sum is σ = 6612790800. Its totient is φ = 1886452416.

The previous prime is 3775821209. The next prime is 3775821221. The reversal of 3775821212 is 2121285773.

3775821212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358712 + ... + 369087.

It is an arithmetic number, because the mean of its divisors is an integer number (551065900).

Almost surely, 2^3775821212 is an apocalyptic number.

It is an amenable number.

3775821212 is a deficient number, since it is larger than the sum of its proper divisors (2836969588).

3775821212 is a wasteful number, since it uses less digits than its factorization.

3775821212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729100 (or 729098 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 3775821212 is about 61447.7112022897. The cubic root of 3775821212 is about 1557.1739889472.

The spelling of 3775821212 in words is "three billion, seven hundred seventy-five million, eight hundred twenty-one thousand, two hundred twelve".