3100221212 has 24 divisors (see below), whose sum is σ = 5925830400. Its totient is φ = 1407470960.

The previous prime is 3100221211. The next prime is 3100221251. The reversal of 3100221212 is 2121220013.

It is a happy number.

It is a super-2 number, since 2×3100221212² = 19222743126669497888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100221211) 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 7 ways as a sum of consecutive naturals, for example, 6212 + ... + 78987.

It is an arithmetic number, because the mean of its divisors is an integer number (246909600).

Almost surely, 2^3100221212 is an apocalyptic number.

It is an amenable number.

3100221212 is a deficient number, since it is larger than the sum of its proper divisors (2825609188).

3100221212 is a wasteful number, since it uses less digits than its factorization.

3100221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86041 (or 86039 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3100221212 is about 55679.6301352658. The cubic root of 3100221212 is about 1458.1344177070.

Adding to 3100221212 its reverse (2121220013), we get a palindrome (5221441225).

The spelling of 3100221212 in words is "three billion, one hundred million, two hundred twenty-one thousand, two hundred twelve".