2012102020043 has 2 divisors, whose sum is σ = 2012102020044. Its totient is φ = 2012102020042.

The previous prime is 2012102020009. The next prime is 2012102020051. The reversal of 2012102020043 is 3400202012102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012102020043 - 2⁶ = 2012102019979 is a prime.

It is a super-2 number, since 2×2012102020043² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2012102028043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006051010021 + 1006051010022.

It is an arithmetic number, because the mean of its divisors is an integer number (1006051010022).

Almost surely, 2^{2012102020043} is an apocalyptic number.

2012102020043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012102020043 is an equidigital number, since it uses as much as digits as its factorization.

2012102020043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2012102020043 its reverse (3400202012102), we get a palindrome (5412304032145).

The spelling of 2012102020043 in words is "two trillion, twelve billion, one hundred two million, twenty thousand, forty-three".