12101020020102 has 96 divisors (see below), whose sum is σ = 27164015165952. Its totient is φ = 3589778155392.

The previous prime is 12101020020073. The next prime is 12101020020113. The reversal of 12101020020102 is 20102002010121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1298208 + ... + 5087964.

It is an arithmetic number, because the mean of its divisors is an integer number (282958491312).

Almost surely, 2^{12101020020102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101020020102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13582007582976).

12101020020102 is an abundant number, since it is smaller than the sum of its proper divisors (15062995145850).

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

12101020020102 is a wasteful number, since it uses less digits than its factorization.

12101020020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789902 (or 3789889 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12101020020102 its reverse (20102002010121), we get a palindrome (32203022030223).

The spelling of 12101020020102 in words is "twelve trillion, one hundred one billion, twenty million, twenty thousand, one hundred two".