12011223020012 has 48 divisors (see below), whose sum is σ = 21770690844672. Its totient is φ = 5794714811520.

The previous prime is 12011223020009. The next prime is 12011223020177. The reversal of 12011223020012 is 21002032211021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30587837 + ... + 30978027.

It is an arithmetic number, because the mean of its divisors is an integer number (453556059264).

Almost surely, 2^{12011223020012} is an apocalyptic number.

It is an amenable number.

12011223020012 is a deficient number, since it is larger than the sum of its proper divisors (9759467824660).

12011223020012 is a wasteful number, since it uses less digits than its factorization.

12011223020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392558 (or 392556 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12011223020012 its reverse (21002032211021), we get a palindrome (33013255231033).

The spelling of 12011223020012 in words is "twelve trillion, eleven billion, two hundred twenty-three million, twenty thousand, twelve".