12011222101112 has 32 divisors (see below), whose sum is σ = 25680101554800. Its totient is φ = 5217544441344.

The previous prime is 12011222101103. The next prime is 12011222101157. The reversal of 12011222101112 is 21110122211021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396837062 + ... + 3396840597.

Almost surely, 2^{12011222101112} is an apocalyptic number.

It is an amenable number.

12011222101112 is an abundant number, since it is smaller than the sum of its proper divisors (13668879453688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011222101112 is a wasteful number, since it uses less digits than its factorization.

12011222101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6793677695 (or 6793677691 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12011222101112 its reverse (21110122211021), we get a palindrome (33121344312133).

The spelling of 12011222101112 in words is "twelve trillion, eleven billion, two hundred twenty-two million, one hundred one thousand, one hundred twelve".