12112201020102 has 16 divisors (see below), whose sum is σ = 24224563825200. Its totient is φ = 4037373375872.

The previous prime is 12112201020061. The next prime is 12112201020103. The reversal of 12112201020102 is 20102010221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112201020103) 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 7 ways as a sum of consecutive naturals, for example, 5756727 + ... + 7573922.

It is an arithmetic number, because the mean of its divisors is an integer number (1514035239075).

Almost surely, 2^{12112201020102} is an apocalyptic number.

12112201020102 is an abundant number, since it is smaller than the sum of its proper divisors (12112362805098).

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

12112201020102 is a wasteful number, since it uses less digits than its factorization.

12112201020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13482087.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112201020102 its reverse (20102010221121), we get a palindrome (32214211241223).

It can be divided in two parts, 1211220 and 1020102, that added together give a palindrome (2231322).

The spelling of 12112201020102 in words is "twelve trillion, one hundred twelve billion, two hundred one million, twenty thousand, one hundred two".