12012211021012 has 12 divisors (see below), whose sum is σ = 21028826337120. Its totient is φ = 6003974924696.

The previous prime is 12012211020991. The next prime is 12012211021021. The reversal of 12012211021012 is 21012011221021.

12012211021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12012211021012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532633768 + ... + 532656319.

It is an arithmetic number, because the mean of its divisors is an integer number (1752402194760).

Almost surely, 2^{12012211021012} is an apocalyptic number.

It is an amenable number.

12012211021012 is a deficient number, since it is larger than the sum of its proper divisors (9016615316108).

12012211021012 is a wasteful number, since it uses less digits than its factorization.

12012211021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065292910 (or 1065292908 counting only the distinct ones).

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

Adding to 12012211021012 its reverse (21012011221021), we get a palindrome (33024222242033).

The spelling of 12012211021012 in words is "twelve trillion, twelve billion, two hundred eleven million, twenty-one thousand, twelve".