12120220102 has 32 divisors (see below), whose sum is σ = 18953625600. Its totient is φ = 5806533600.

The previous prime is 12120220097. The next prime is 12120220103. The reversal of 12120220102 is 20102202121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120220103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2679799 + ... + 2684317.

It is an arithmetic number, because the mean of its divisors is an integer number (592300800).

Almost surely, 2^12120220102 is an apocalyptic number.

12120220102 is a deficient number, since it is larger than the sum of its proper divisors (6833405498).

12120220102 is a wasteful number, since it uses less digits than its factorization.

12120220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120220102 its reverse (20102202121), we get a palindrome (32222422223).

The spelling of 12120220102 in words is "twelve billion, one hundred twenty million, two hundred twenty thousand, one hundred two".