12011055052 has 12 divisors (see below), whose sum is σ = 21170565640. Its totient is φ = 5962322016.

The previous prime is 12011054989. The next prime is 12011055053. The reversal of 12011055052 is 25055011021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12011055053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10800753 + ... + 10801864.

Almost surely, 2^12011055052 is an apocalyptic number.

It is an amenable number.

12011055052 is a deficient number, since it is larger than the sum of its proper divisors (9159510588).

12011055052 is a wasteful number, since it uses less digits than its factorization.

12011055052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21602760 (or 21602758 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 12011055052 its reverse (25055011021), we get a palindrome (37066066073).

The spelling of 12011055052 in words is "twelve billion, eleven million, fifty-five thousand, fifty-two".