12011013121032 has 64 divisors (see below), whose sum is σ = 34814530800000. Its totient is φ = 3829598384832.

The previous prime is 12011013121031. The next prime is 12011013121033. The reversal of 12011013121032 is 23012131011021.

It is an interprime number because it is at equal distance from previous prime (12011013121031) and next prime (12011013121033).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12011013120996 and 12011013121014.

It is not an unprimeable number, because it can be changed into a prime (12011013121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208832907 + ... + 1208842842.

It is an arithmetic number, because the mean of its divisors is an integer number (543977043750).

Almost surely, 2^{12011013121032} is an apocalyptic number.

12011013121032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12011013121032 is an abundant number, since it is smaller than the sum of its proper divisors (22803517678968).

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

12011013121032 is a wasteful number, since it uses less digits than its factorization.

12011013121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417675787 (or 2417675777 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12011013121032 its reverse (23012131011021), we get a palindrome (35023144132053).

The spelling of 12011013121032 in words is "twelve trillion, eleven billion, thirteen million, one hundred twenty-one thousand, thirty-two".