12020321102 has 4 divisors (see below), whose sum is σ = 18030481656. Its totient is φ = 6010160550.

The previous prime is 12020321039. The next prime is 12020321119. The reversal of 12020321102 is 20112302021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3005080274 + ... + 3005080277.

It is an arithmetic number, because the mean of its divisors is an integer number (4507620414).

Almost surely, 2^12020321102 is an apocalyptic number.

12020321102 is a deficient number, since it is larger than the sum of its proper divisors (6010160554).

12020321102 is an equidigital number, since it uses as much as digits as its factorization.

12020321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010160553.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12020321102 its reverse (20112302021), we get a palindrome (32132623123).

The spelling of 12020321102 in words is "twelve billion, twenty million, three hundred twenty-one thousand, one hundred two".