12032012022021 has 6 divisors (see below), whose sum is σ = 17379572920710. Its totient is φ = 8021341348008.

The previous prime is 12032012021999. The next prime is 12032012022031. The reversal of 12032012022021 is 12022021023021.

12032012022021 is a `hidden beast` number, since 1 + 2 + 0 + 320 + 120 + 220 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8028467237025 + 4003544784996 = 2833455^2 + 2000886^2 .

It is not a de Polignac number, because 12032012022021 - 2⁶ = 12032012021957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12032012021985 and 12032012022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032012022031) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 668445112326 + ... + 668445112343.

It is an arithmetic number, because the mean of its divisors is an integer number (2896595486785).

Almost surely, 2^{12032012022021} is an apocalyptic number.

It is an amenable number.

12032012022021 is a deficient number, since it is larger than the sum of its proper divisors (5347560898689).

12032012022021 is a wasteful number, since it uses less digits than its factorization.

12032012022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336890224675 (or 1336890224672 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12032012022021 its reverse (12022021023021), we get a palindrome (24054033045042).

The spelling of 12032012022021 in words is "twelve trillion, thirty-two billion, twelve million, twenty-two thousand, twenty-one".