12122220102 has 32 divisors (see below), whose sum is σ = 24709950720. Its totient is φ = 3963204960.

The previous prime is 12122220091. The next prime is 12122220157. The reversal of 12122220102 is 20102222121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723549 + ... + 1730567.

It is an arithmetic number, because the mean of its divisors is an integer number (772185960).

Almost surely, 2^12122220102 is an apocalyptic number.

12122220102 is an abundant number, since it is smaller than the sum of its proper divisors (12587730618).

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

12122220102 is a wasteful number, since it uses less digits than its factorization.

12122220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12508.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12122220102 its reverse (20102222121), we get a palindrome (32224442223).

The spelling of 12122220102 in words is "twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".