3912212201 has 8 divisors (see below), whose sum is σ = 4047813000. Its totient is φ = 3776657920.

The previous prime is 3912212189. The next prime is 3912212203. The reversal of 3912212201 is 1022122193.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1654536976 + 2257675225 = 40676^2 + 47515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3912212201 - 2⁶ = 3912212137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3912212203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329081 + ... + 340761.

It is an arithmetic number, because the mean of its divisors is an integer number (505976625).

Almost surely, 2^3912212201 is an apocalyptic number.

It is an amenable number.

3912212201 is a deficient number, since it is larger than the sum of its proper divisors (135600799).

3912212201 is a wasteful number, since it uses less digits than its factorization.

3912212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23259.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3912212201 is about 62547.6794213822. The cubic root of 3912212201 is about 1575.7021746530.

Adding to 3912212201 its reverse (1022122193), we get a palindrome (4934334394).

The spelling of 3912212201 in words is "three billion, nine hundred twelve million, two hundred twelve thousand, two hundred one".