122012143 has 8 divisors (see below), whose sum is σ = 133297920. Its totient is φ = 110758680.

The previous prime is 122012131. The next prime is 122012153. The reversal of 122012143 is 341210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122012143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 15622.

It is an arithmetic number, because the mean of its divisors is an integer number (16662240).

Almost surely, 2^122012143 is an apocalyptic number.

122012143 is a deficient number, since it is larger than the sum of its proper divisors (11285777).

122012143 is a wasteful number, since it uses less digits than its factorization.

122012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16157.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122012143 is about 11045.9106912920. The cubic root of 122012143 is about 495.9840208497.

Adding to 122012143 its reverse (341210221), we get a palindrome (463222364).

The spelling of 122012143 in words is "one hundred twenty-two million, twelve thousand, one hundred forty-three".