12021200100102 has 32 divisors (see below), whose sum is σ = 24372920815200. Its totient is φ = 3951985213440.

The previous prime is 12021200100047. The next prime is 12021200100103. The reversal of 12021200100102 is 20100100212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021200100103) 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, 8601274 + ... + 9900722.

It is an arithmetic number, because the mean of its divisors is an integer number (761653775475).

Almost surely, 2^{12021200100102} is an apocalyptic number.

12021200100102 is an abundant number, since it is smaller than the sum of its proper divisors (12351720715098).

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

12021200100102 is a wasteful number, since it uses less digits than its factorization.

12021200100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320648.

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

Adding to 12021200100102 its reverse (20100100212021), we get a palindrome (32121300312123).

The spelling of 12021200100102 in words is "twelve trillion, twenty-one billion, two hundred million, one hundred thousand, one hundred two".