12011211201112 has 8 divisors (see below), whose sum is σ = 22521021002100. Its totient is φ = 6005605600552.

The previous prime is 12011211201091. The next prime is 12011211201127. The reversal of 12011211201112 is 21110211211021.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750700700062 + ... + 750700700077.

Almost surely, 2^{12011211201112} is an apocalyptic number.

It is an amenable number.

12011211201112 is a deficient number, since it is larger than the sum of its proper divisors (10509809800988).

12011211201112 is a wasteful number, since it uses less digits than its factorization.

12011211201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501401400145 (or 1501401400141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12011211201112 its reverse (21110211211021), we get a palindrome (33121422412133).

Subtracting 12011211201112 from its reverse (21110211211021), we obtain a palindrome (9099000009909).

The spelling of 12011211201112 in words is "twelve trillion, eleven billion, two hundred eleven million, two hundred one thousand, one hundred twelve".