12000111211112 has 32 divisors (see below), whose sum is σ = 22511689516800. Its totient is φ = 5996994791424.

The previous prime is 12000111211111. The next prime is 12000111211117. The reversal of 12000111211112 is 21111211100021.

It is a super-2 number, since 2×12000111211112² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12000111211111) 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, 133647689 + ... + 133737447.

It is an arithmetic number, because the mean of its divisors is an integer number (703490297400).

Almost surely, 2^{12000111211112} is an apocalyptic number.

It is an amenable number.

12000111211112 is a deficient number, since it is larger than the sum of its proper divisors (10511578305688).

12000111211112 is a wasteful number, since it uses less digits than its factorization.

12000111211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98105 (or 98101 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12000111211112 its reverse (21111211100021), we get a palindrome (33111322311133).

The spelling of 12000111211112 in words is "twelve trillion, one hundred eleven million, two hundred eleven thousand, one hundred twelve".