12012099999999 has 24 divisors (see below), whose sum is σ = 18640069625520. Its totient is φ = 6851821743360.

The previous prime is 12012099999989. The next prime is 12012100000001. The reversal of 12012099999999 is 99999999021021.

It is not a de Polignac number, because 12012099999999 - 2⁵ = 12012099999967 is a prime.

12012099999999 is a modest number, since divided by 9999999 gives 1201209 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012099999989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973263964 + ... + 973276305.

It is an arithmetic number, because the mean of its divisors is an integer number (776669567730).

Almost surely, 2^{12012099999999} is an apocalyptic number.

12012099999999 is a deficient number, since it is larger than the sum of its proper divisors (6627969625521).

12012099999999 is a wasteful number, since it uses less digits than its factorization.

12012099999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946540311 (or 1946540300 counting only the distinct ones).

The product of its (nonzero) digits is 172186884, while the sum is 78.

The spelling of 12012099999999 in words is "twelve trillion, twelve billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".