2012121302043 has 16 divisors (see below), whose sum is σ = 2691769360896. Its totient is φ = 1336944379680.

The previous prime is 2012121302041. The next prime is 2012121302063. The reversal of 2012121302043 is 3402031212102.

It is not a de Polignac number, because 2012121302043 - 2¹ = 2012121302041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012121302041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13391230 + ... + 13540652.

It is an arithmetic number, because the mean of its divisors is an integer number (168235585056).

Almost surely, 2^{2012121302043} is an apocalyptic number.

2012121302043 is a deficient number, since it is larger than the sum of its proper divisors (679648058853).

2012121302043 is a wasteful number, since it uses less digits than its factorization.

2012121302043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164354.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2012121302043 its reverse (3402031212102), we get a palindrome (5414152514145).

The spelling of 2012121302043 in words is "two trillion, twelve billion, one hundred twenty-one million, three hundred two thousand, forty-three".