12102120202102 has 8 divisors (see below), whose sum is σ = 20746491775056. Its totient is φ = 5186622943752.

The previous prime is 12102120202079. The next prime is 12102120202103. The reversal of 12102120202102 is 20120202120121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12102120202102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102120202103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432218578633 + ... + 432218578660.

It is an arithmetic number, because the mean of its divisors is an integer number (2593311471882).

Almost surely, 2^{12102120202102} is an apocalyptic number.

12102120202102 is a deficient number, since it is larger than the sum of its proper divisors (8644371572954).

12102120202102 is an equidigital number, since it uses as much as digits as its factorization.

12102120202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864437157302.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102120202102 its reverse (20120202120121), we get a palindrome (32222322322223).

The spelling of 12102120202102 in words is "twelve trillion, one hundred two billion, one hundred twenty million, two hundred two thousand, one hundred two".