12011001011012 has 48 divisors (see below), whose sum is σ = 23427607896000. Its totient is φ = 5354617549824.

The previous prime is 12011001010969. The next prime is 12011001011083. The reversal of 12011001011012 is 21011010011021.

It is a super-2 number, since 2×12011001011012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011001010984 and 12011001011002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67843664 + ... + 68020472.

It is an arithmetic number, because the mean of its divisors is an integer number (488075164500).

Almost surely, 2^{12011001011012} is an apocalyptic number.

It is an amenable number.

12011001011012 is a deficient number, since it is larger than the sum of its proper divisors (11416606884988).

12011001011012 is a wasteful number, since it uses less digits than its factorization.

12011001011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229428 (or 229426 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12011001011012 its reverse (21011010011021), we get a palindrome (33022011022033).

Subtracting 12011001011012 from its reverse (21011010011021), we obtain a palindrome (9000009000009).

The spelling of 12011001011012 in words is "twelve trillion, eleven billion, one million, eleven thousand, twelve".