120012143 has 2 divisors, whose sum is σ = 120012144. Its totient is φ = 120012142.

The previous prime is 120012131. The next prime is 120012157. The reversal of 120012143 is 341210021.

It is an a-pointer prime, because the next prime (120012157) can be obtained adding 120012143 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120012143 - 2¹⁰ = 120011119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120015143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006071 + 60006072.

It is an arithmetic number, because the mean of its divisors is an integer number (60006072).

Almost surely, 2^120012143 is an apocalyptic number.

120012143 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012143 is an equidigital number, since it uses as much as digits as its factorization.

120012143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120012143 is about 10955.0053856673. The cubic root of 120012143 is about 493.2590516456.

Adding to 120012143 its reverse (341210021), we get a palindrome (461222164).

The spelling of 120012143 in words is "one hundred twenty million, twelve thousand, one hundred forty-three".