12021310102 has 4 divisors (see below), whose sum is σ = 18031965156. Its totient is φ = 6010655050.

The previous prime is 12021310099. The next prime is 12021310123. The reversal of 12021310102 is 20101312021.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 3005327524 + ... + 3005327527.

It is an arithmetic number, because the mean of its divisors is an integer number (4507991289).

Almost surely, 2^12021310102 is an apocalyptic number.

12021310102 is a deficient number, since it is larger than the sum of its proper divisors (6010655054).

12021310102 is an equidigital number, since it uses as much as digits as its factorization.

12021310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010655053.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12021310102 its reverse (20101312021), we get a palindrome (32122622123).

The spelling of 12021310102 in words is "twelve billion, twenty-one million, three hundred ten thousand, one hundred two".