12101220002109 has 48 divisors (see below), whose sum is σ = 19101033627648. Its totient is φ = 6675112317888.

The previous prime is 12101220002107. The next prime is 12101220002111. The reversal of 12101220002109 is 90120002210121.

It is an interprime number because it is at equal distance from previous prime (12101220002107) and next prime (12101220002111).

It is not a de Polignac number, because 12101220002109 - 2¹ = 12101220002107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101220002107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1993932 + ... + 5308314.

It is an arithmetic number, because the mean of its divisors is an integer number (397938200576).

Almost surely, 2^{12101220002109} is an apocalyptic number.

It is an amenable number.

12101220002109 is a deficient number, since it is larger than the sum of its proper divisors (6999813625539).

12101220002109 is a wasteful number, since it uses less digits than its factorization.

12101220002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314594 (or 3314557 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 12101220002109 in words is "twelve trillion, one hundred one billion, two hundred twenty million, two thousand, one hundred nine".