12100020102 has 12 divisors (see below), whose sum is σ = 26216710260. Its totient is φ = 4033340028.

The previous prime is 12100020073. The next prime is 12100020109. The reversal of 12100020102 is 20102000121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100020109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336111652 + ... + 336111687.

It is an arithmetic number, because the mean of its divisors is an integer number (2184725855).

Almost surely, 2^12100020102 is an apocalyptic number.

12100020102 is an abundant number, since it is smaller than the sum of its proper divisors (14116690158).

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

12100020102 is a wasteful number, since it uses less digits than its factorization.

12100020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672223347 (or 672223344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12100020102 its reverse (20102000121), we get a palindrome (32202020223).

The spelling of 12100020102 in words is "twelve billion, one hundred million, twenty thousand, one hundred two".