12000011211112 has 8 divisors (see below), whose sum is σ = 22500021020850. Its totient is φ = 6000005605552.

The previous prime is 12000011211101. The next prime is 12000011211143. The reversal of 12000011211112 is 21111211000021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6510427814916 + 5489583396196 = 2551554^2 + 2342986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12000011211092 and 12000011211101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750000700687 + ... + 750000700702.

Almost surely, 2^{12000011211112} is an apocalyptic number.

It is an amenable number.

12000011211112 is a deficient number, since it is larger than the sum of its proper divisors (10500009809738).

12000011211112 is a wasteful number, since it uses less digits than its factorization.

12000011211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500001401395 (or 1500001401391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12000011211112 its reverse (21111211000021), we get a palindrome (33111222211133).

The spelling of 12000011211112 in words is "twelve trillion, eleven million, two hundred eleven thousand, one hundred twelve".