12221012102 has 32 divisors (see below), whose sum is σ = 20131130880. Its totient is φ = 5529363840.

The previous prime is 12221012087. The next prime is 12221012117. The reversal of 12221012102 is 20121012221.

12221012102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12221012087) and next prime (12221012117).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2024024 + ... + 2030052.

It is an arithmetic number, because the mean of its divisors is an integer number (629097840).

Almost surely, 2^12221012102 is an apocalyptic number.

12221012102 is a deficient number, since it is larger than the sum of its proper divisors (7910118778).

12221012102 is a wasteful number, since it uses less digits than its factorization.

12221012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221012102 its reverse (20121012221), we get a palindrome (32342024323).

The spelling of 12221012102 in words is "twelve billion, two hundred twenty-one million, twelve thousand, one hundred two".