3032221212 has 36 divisors (see below), whose sum is σ = 7736424696. Its totient is φ = 1001292960.

The previous prime is 3032221207. The next prime is 3032221217. The reversal of 3032221212 is 2121222303.

It is an interprime number because it is at equal distance from previous prime (3032221207) and next prime (3032221217).

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3032221217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389739 + ... + 397442.

It is an arithmetic number, because the mean of its divisors is an integer number (214900686).

Almost surely, 2^3032221212 is an apocalyptic number.

It is an amenable number.

3032221212 is an abundant number, since it is smaller than the sum of its proper divisors (4704203484).

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

3032221212 is a wasteful number, since it uses less digits than its factorization.

3032221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787298 (or 787293 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3032221212 is about 55065.6082505224. The cubic root of 3032221212 is about 1447.3946416733.

Adding to 3032221212 its reverse (2121222303), we get a palindrome (5153443515).

The spelling of 3032221212 in words is "three billion, thirty-two million, two hundred twenty-one thousand, two hundred twelve".