12100201021020 has 144 divisors (see below), whose sum is σ = 39413326740480. Its totient is φ = 2765672977536.

The previous prime is 12100201021009. The next prime is 12100201021049. The reversal of 12100201021020 is 2012010200121.

12100201021020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12100201020987 and 12100201021005.

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, 161542017 + ... + 161616903.

It is an arithmetic number, because the mean of its divisors is an integer number (273703657920).

Almost surely, 2^{12100201021020} is an apocalyptic number.

12100201021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100201021020 is an abundant number, since it is smaller than the sum of its proper divisors (27313125719460).

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

12100201021020 is a wasteful number, since it uses less digits than its factorization.

12100201021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129872 (or 129863 counting only the distinct ones).

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

Adding to 12100201021020 its reverse (2012010200121), we get a palindrome (14112211221141).

The spelling of 12100201021020 in words is "twelve trillion, one hundred billion, two hundred one million, twenty-one thousand, twenty".