12120100001111 has 8 divisors (see below), whose sum is σ = 12139361505360. Its totient is φ = 12100840641472.

The previous prime is 12120100001101. The next prime is 12120100001161. The reversal of 12120100001111 is 11110000102121.

12120100001111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120100001111 - 2⁴² = 7722053490007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120100001092 and 12120100001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120100001101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10971656 + ... + 12025698.

It is an arithmetic number, because the mean of its divisors is an integer number (1517420188170).

Almost surely, 2^{12120100001111} is an apocalyptic number.

12120100001111 is a deficient number, since it is larger than the sum of its proper divisors (19261504249).

12120100001111 is a wasteful number, since it uses less digits than its factorization.

12120100001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072305.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12120100001111 its reverse (11110000102121), we get a palindrome (23230100103232).

The spelling of 12120100001111 in words is "twelve trillion, one hundred twenty billion, one hundred million, one thousand, one hundred eleven".