12001120100109 has 12 divisors (see below), whose sum is σ = 19811372863776. Its totient is φ = 6857782914312.

The previous prime is 12001120100017. The next prime is 12001120100147. The reversal of 12001120100109 is 90100102110021.

It is a happy number.

It is not a de Polignac number, because 12001120100109 - 2¹¹ = 12001120098061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001120100091 and 12001120100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001120100159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95246984859 + ... + 95246984984.

It is an arithmetic number, because the mean of its divisors is an integer number (1650947738648).

Almost surely, 2^{12001120100109} is an apocalyptic number.

It is an amenable number.

12001120100109 is a deficient number, since it is larger than the sum of its proper divisors (7810252763667).

12001120100109 is a wasteful number, since it uses less digits than its factorization.

12001120100109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190493969856 (or 190493969853 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 12001120100109 in words is "twelve trillion, one billion, one hundred twenty million, one hundred thousand, one hundred nine".