12012102012021 has 32 divisors (see below), whose sum is σ = 16267200122880. Its totient is φ = 7883568585984.

The previous prime is 12012102012007. The next prime is 12012102012023. The reversal of 12012102012021 is 12021020121021.

12012102012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12012102012021 - 2²¹ = 12012099914869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012102012023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73685320 + ... + 73848158.

It is an arithmetic number, because the mean of its divisors is an integer number (508350003840).

Almost surely, 2^{12012102012021} is an apocalyptic number.

It is an amenable number.

12012102012021 is a deficient number, since it is larger than the sum of its proper divisors (4255098110859).

12012102012021 is a wasteful number, since it uses less digits than its factorization.

12012102012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164425.

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

Adding to 12012102012021 its reverse (12021020121021), we get a palindrome (24033122133042).

The spelling of 12012102012021 in words is "twelve trillion, twelve billion, one hundred two million, twelve thousand, twenty-one".