12012022011012 has 12 divisors (see below), whose sum is σ = 28028051359056. Its totient is φ = 4004007337000.

The previous prime is 12012022010981. The next prime is 12012022011019. The reversal of 12012022011012 is 21011022021021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12012022010982 and 12012022011000.

It is not an unprimeable number, because it can be changed into a prime (12012022011019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500500917114 + ... + 500500917137.

It is an arithmetic number, because the mean of its divisors is an integer number (2335670946588).

Almost surely, 2^{12012022011012} is an apocalyptic number.

12012022011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012022011012 is an abundant number, since it is smaller than the sum of its proper divisors (16016029348044).

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

12012022011012 is a wasteful number, since it uses less digits than its factorization.

12012022011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001001834258 (or 1001001834256 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12012022011012 its reverse (21011022021021), we get a palindrome (33023044032033).

The spelling of 12012022011012 in words is "twelve trillion, twelve billion, twenty-two million, eleven thousand, twelve".