42144321430122 has 16 divisors (see below), whose sum is σ = 84289016521920. Its totient is φ = 14048044866432.

The previous prime is 42144321430121. The next prime is 42144321430147. The reversal of 42144321430122 is 22103412344124.

It is a super-2 number, since 2×42144321430122² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144321430121) 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, 14092222 + ... + 16819017.

It is an arithmetic number, because the mean of its divisors is an integer number (5268063532620).

Almost surely, 2^{42144321430122} is an apocalyptic number.

42144321430122 is an abundant number, since it is smaller than the sum of its proper divisors (42144695091798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42144321430122 is a wasteful number, since it uses less digits than its factorization.

42144321430122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31138477.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 42144321430122 its reverse (22103412344124), we get a palindrome (64247733774246).

The spelling of 42144321430122 in words is "forty-two trillion, one hundred forty-four billion, three hundred twenty-one million, four hundred thirty thousand, one hundred twenty-two".