12102021200118 has 32 divisors (see below), whose sum is σ = 24274762315776. Its totient is φ = 4022237537568.

The previous prime is 12102021200117. The next prime is 12102021200167. The reversal of 12102021200118 is 81100212020121.

12102021200118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12102021200094 and 12102021200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102021200117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688171 + ... + 4967657.

It is an arithmetic number, because the mean of its divisors is an integer number (758586322368).

Almost surely, 2^{12102021200118} is an apocalyptic number.

12102021200118 is an abundant number, since it is smaller than the sum of its proper divisors (12172741115658).

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

12102021200118 is a wasteful number, since it uses less digits than its factorization.

12102021200118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280868.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 12102021200118 its reverse (81100212020121), we get a palindrome (93202233220239).

The spelling of 12102021200118 in words is "twelve trillion, one hundred two billion, twenty-one million, two hundred thousand, one hundred eighteen".