12011120221012 has 72 divisors (see below), whose sum is σ = 23723781973416. Its totient is φ = 5313783552000.

The previous prime is 12011120221003. The next prime is 12011120221027. The reversal of 12011120221012 is 21012202111021.

It can be written as a sum of positive squares in 4 ways, for example, as 3957250832656 + 8053869388356 = 1989284^2 + 2837934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7635468 + ... + 9073180.

It is an arithmetic number, because the mean of its divisors is an integer number (329496971853).

Almost surely, 2^{12011120221012} is an apocalyptic number.

It is an amenable number.

12011120221012 is a deficient number, since it is larger than the sum of its proper divisors (11712661752404).

12011120221012 is a wasteful number, since it uses less digits than its factorization.

12011120221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438201 (or 1438188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12011120221012 its reverse (21012202111021), we get a palindrome (33023322332033).

The spelling of 12011120221012 in words is "twelve trillion, eleven billion, one hundred twenty million, two hundred twenty-one thousand, twelve".