102211612 has 24 divisors (see below), whose sum is σ = 184203936. Its totient is φ = 49589568.

The previous prime is 102211601. The next prime is 102211639. The reversal of 102211612 is 216112201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73758 + ... + 75130.

It is an arithmetic number, because the mean of its divisors is an integer number (7675164).

Almost surely, 2^102211612 is an apocalyptic number.

It is an amenable number.

102211612 is a deficient number, since it is larger than the sum of its proper divisors (81992324).

102211612 is a wasteful number, since it uses less digits than its factorization.

102211612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 102211612 is about 10109.9758654509. The cubic root of 102211612 is about 467.5557610288. Note that the first 3 decimals are identical.

Adding to 102211612 its reverse (216112201), we get a palindrome (318323813).

The spelling of 102211612 in words is "one hundred two million, two hundred eleven thousand, six hundred twelve".