12102122162 has 32 divisors (see below), whose sum is σ = 20790739200. Its totient is φ = 5237042688.

The previous prime is 12102122161. The next prime is 12102122173. The reversal of 12102122162 is 26122120121.

It is a super-2 number, since 2×12102122162² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102122161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78362 + ... + 174197.

It is an arithmetic number, because the mean of its divisors is an integer number (649710600).

Almost surely, 2^12102122162 is an apocalyptic number.

12102122162 is a deficient number, since it is larger than the sum of its proper divisors (8688617038).

12102122162 is a wasteful number, since it uses less digits than its factorization.

12102122162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252690.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12102122162 its reverse (26122120121), we get a palindrome (38224242283).

The spelling of 12102122162 in words is "twelve billion, one hundred two million, one hundred twenty-two thousand, one hundred sixty-two".