12102102110100 has 36 divisors (see below), whose sum is σ = 35015415439424. Its totient is φ = 3227227229280.

The previous prime is 12102102110051. The next prime is 12102102110177. The reversal of 12102102110100 is 101120120121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20170169884 + ... + 20170170483.

Almost surely, 2^{12102102110100} is an apocalyptic number.

12102102110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102102110100 is an abundant number, since it is smaller than the sum of its proper divisors (22913313329324).

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

12102102110100 is a wasteful number, since it uses less digits than its factorization.

12102102110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40340340384 (or 40340340377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12102102110100 its reverse (101120120121), we get a palindrome (12203222230221).

The spelling of 12102102110100 in words is "twelve trillion, one hundred two billion, one hundred two million, one hundred ten thousand, one hundred".