12120001110099 has 12 divisors (see below), whose sum is σ = 17506780821816. Its totient is φ = 8079948793152.

The previous prime is 12120001110083. The next prime is 12120001110101. The reversal of 12120001110099 is 99001110002121.

It is not a de Polignac number, because 12120001110099 - 2⁴ = 12120001110083 is a prime.

It is a super-3 number, since 3×12120001110099³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12120001110079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2823702 + ... + 5675675.

It is an arithmetic number, because the mean of its divisors is an integer number (1458898401818).

Almost surely, 2^{12120001110099} is an apocalyptic number.

12120001110099 is a deficient number, since it is larger than the sum of its proper divisors (5386779711717).

12120001110099 is a wasteful number, since it uses less digits than its factorization.

12120001110099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657826 (or 8657823 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 12120001110099 in words is "twelve trillion, one hundred twenty billion, one million, one hundred ten thousand, ninety-nine".