12100202321020 has 24 divisors (see below), whose sum is σ = 27720463499568. Its totient is φ = 4400073571200.

The previous prime is 12100202321017. The next prime is 12100202321033. The reversal of 12100202321020 is 2012320200121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12100202320985 and 12100202321003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27500459601 + ... + 27500460040.

It is an arithmetic number, because the mean of its divisors is an integer number (1155019312482).

Almost surely, 2^{12100202321020} is an apocalyptic number.

12100202321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100202321020 is an abundant number, since it is smaller than the sum of its proper divisors (15620261178548).

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

12100202321020 is a wasteful number, since it uses less digits than its factorization.

12100202321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55000919661 (or 55000919659 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12100202321020 its reverse (2012320200121), we get a palindrome (14112522521141).

The spelling of 12100202321020 in words is "twelve trillion, one hundred billion, two hundred two million, three hundred twenty-one thousand, twenty".