122012144143 has 16 divisors (see below), whose sum is σ = 129188666880. Its totient is φ = 114912679104.

The previous prime is 122012144101. The next prime is 122012144173. The reversal of 122012144143 is 341441210221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122012144143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012144173) 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 in 15 ways as a sum of consecutive naturals, for example, 2825130 + ... + 2867992.

It is an arithmetic number, because the mean of its divisors is an integer number (8074291680).

Almost surely, 2^122012144143 is an apocalyptic number.

122012144143 is a deficient number, since it is larger than the sum of its proper divisors (7176522737).

122012144143 is a wasteful number, since it uses less digits than its factorization.

122012144143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43758.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 122012144143 its reverse (341441210221), we get a palindrome (463453354364).

The spelling of 122012144143 in words is "one hundred twenty-two billion, twelve million, one hundred forty-four thousand, one hundred forty-three".