2012153443 has 2 divisors, whose sum is σ = 2012153444. Its totient is φ = 2012153442.

The previous prime is 2012153431. The next prime is 2012153449. The reversal of 2012153443 is 3443512102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012153443 - 2⁹ = 2012152931 is a prime.

It is a super-2 number, since 2×2012153443² = 8097522956353508498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2012153449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006076721 + 1006076722.

It is an arithmetic number, because the mean of its divisors is an integer number (1006076722).

Almost surely, 2^2012153443 is an apocalyptic number.

2012153443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012153443 is an equidigital number, since it uses as much as digits as its factorization.

2012153443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2012153443 is about 44857.0333727053. The cubic root of 2012153443 is about 1262.4679609946.

Adding to 2012153443 its reverse (3443512102), we get a palindrome (5455665545).

The spelling of 2012153443 in words is "two billion, twelve million, one hundred fifty-three thousand, four hundred forty-three".